diff --git a/src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java b/src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java index 95ec50f8166..dc685dca818 100644 --- a/src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java +++ b/src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java @@ -13,7 +13,7 @@ import org.postgresql.Field; * This class provides information about the database as a whole. * *

Many of the methods here return lists of information in ResultSets. You - * can use the normal ResultSet methods such as getString and getInt to + * can use the normal ResultSet methods such as getString and getInt to * retrieve the data from these ResultSets. If a given form of metadata is * not available, these methods should throw a SQLException. * @@ -32,25 +32,25 @@ import org.postgresql.Field; * * @see java.sql.DatabaseMetaData */ -public class DatabaseMetaData implements java.sql.DatabaseMetaData +public class DatabaseMetaData implements java.sql.DatabaseMetaData { Connection connection; // The connection association - + // These define various OID's. Hopefully they will stay constant. static final int iVarcharOid = 1043; // OID for varchar static final int iBoolOid = 16; // OID for bool static final int iInt2Oid = 21; // OID for int2 static final int iInt4Oid = 23; // OID for int4 static final int VARHDRSZ = 4; // length for int4 - + // This is a default value for remarks private static final byte defaultRemarks[]="no remarks".getBytes(); - + public DatabaseMetaData(Connection conn) { this.connection = conn; } - + /** * Can all the procedures returned by getProcedures be called * by the current user? @@ -62,7 +62,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; // For now... } - + /** * Can all the tables returned by getTable be SELECTed by * the current user? @@ -74,7 +74,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; // For now... } - + /** * What is the URL for this database? * @@ -85,7 +85,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return connection.getURL(); } - + /** * What is our user name as known to the database? * @@ -96,7 +96,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return connection.getUserName(); } - + /** * Is the database in read-only mode? * @@ -107,7 +107,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return connection.isReadOnly(); } - + /** * Are NULL values sorted high? * @@ -118,7 +118,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Are NULL values sorted low? * @@ -129,7 +129,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Are NULL values sorted at the start regardless of sort order? * @@ -140,7 +140,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Are NULL values sorted at the end regardless of sort order? * @@ -151,7 +151,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * What is the name of this database product - we hope that it is * PostgreSQL, so we return that explicitly. @@ -163,7 +163,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return "PostgreSQL"; } - + /** * What is the version of this database product. * @@ -181,7 +181,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData return versionNumber; } - + /** * What is the name of this JDBC driver? If we don't know this * we are doing something wrong! @@ -193,7 +193,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return "PostgreSQL Native Driver"; } - + /** * What is the version string of this JDBC driver? Again, this is * static. @@ -205,7 +205,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return connection.this_driver.getVersion(); } - + /** * What is this JDBC driver's major version number? * @@ -215,7 +215,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return connection.this_driver.getMajorVersion(); } - + /** * What is this JDBC driver's minor version number? * @@ -225,11 +225,11 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return connection.this_driver.getMinorVersion(); } - + /** * Does the database store tables in a local file? No - it * stores them in a file on the server. - * + * * @return true if so * @exception SQLException if a database access error occurs */ @@ -237,10 +237,10 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does the database use a file for each table? Well, not really, - * since it doesnt use local files. + * since it doesnt use local files. * * @return true if so * @exception SQLException if a database access error occurs @@ -249,7 +249,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does the database treat mixed case unquoted SQL identifiers * as case sensitive and as a result store them in mixed case? @@ -266,7 +266,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does the database treat mixed case unquoted SQL identifiers as * case insensitive and store them in upper case? @@ -277,7 +277,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does the database treat mixed case unquoted SQL identifiers as * case insensitive and store them in lower case? @@ -288,7 +288,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Does the database treat mixed case unquoted SQL identifiers as * case insensitive and store them in mixed case? @@ -299,11 +299,11 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does the database treat mixed case quoted SQL identifiers as * case sensitive and as a result store them in mixed case? A - * JDBC compliant driver will always return true. + * JDBC compliant driver will always return true. * *

Predicament - what do they mean by "SQL identifiers" - if it * means the names of the tables and columns, then the answers @@ -316,7 +316,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Does the database treat mixed case quoted SQL identifiers as * case insensitive and store them in upper case? @@ -327,7 +327,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does the database treat mixed case quoted SQL identifiers as case * insensitive and store them in lower case? @@ -338,7 +338,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does the database treat mixed case quoted SQL identifiers as case * insensitive and store them in mixed case? @@ -349,7 +349,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * What is the string used to quote SQL identifiers? This returns * a space if identifier quoting isn't supported. A JDBC Compliant @@ -365,7 +365,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return "\""; } - + /** * Get a comma separated list of all a database's SQL keywords that * are NOT also SQL92 keywords. @@ -386,31 +386,31 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return "abort,acl,add,aggregate,append,archive,arch_store,backward,binary,change,cluster,copy,database,delimiters,do,extend,explain,forward,heavy,index,inherits,isnull,light,listen,load,merge,nothing,notify,notnull,oids,purge,rename,replace,retrieve,returns,rule,recipe,setof,stdin,stdout,store,vacuum,verbose,version"; } - + public String getNumericFunctions() throws SQLException { // XXX-Not Implemented return ""; } - + public String getStringFunctions() throws SQLException { // XXX-Not Implemented return ""; } - + public String getSystemFunctions() throws SQLException { // XXX-Not Implemented return ""; } - + public String getTimeDateFunctions() throws SQLException { // XXX-Not Implemented return ""; } - + /** * This is the string that can be used to escape '_' and '%' in * a search string pattern style catalog search parameters @@ -422,9 +422,9 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return "\\"; } - + /** - * Get all the "extra" characters that can bew used in unquoted + * Get all the "extra" characters that can be used in unquoted * identifier names (those beyond a-zA-Z0-9 and _) * *

From the file src/backend/parser/scan.l, an identifier is @@ -438,7 +438,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return ""; } - + /** * Is "ALTER TABLE" with an add column supported? * Yes for PostgreSQL 6.1 @@ -450,7 +450,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Is "ALTER TABLE" with a drop column supported? * Peter 10/10/2000 This was set to true, but 7.1devel doesn't support it! @@ -462,7 +462,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Is column aliasing supported? * @@ -485,7 +485,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Are concatenations between NULL and non-NULL values NULL? A * JDBC Compliant driver always returns true @@ -497,34 +497,34 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + public boolean supportsConvert() throws SQLException { // XXX-Not Implemented return false; } - + public boolean supportsConvert(int fromType, int toType) throws SQLException { // XXX-Not Implemented return false; } - + public boolean supportsTableCorrelationNames() throws SQLException { // XXX-Not Implemented return false; } - + public boolean supportsDifferentTableCorrelationNames() throws SQLException { // XXX-Not Implemented return false; } - + /** - * Are expressions in "ORCER BY" lists supported? - * + * Are expressions in "ORDER BY" lists supported? + * *
e.g. select * from t order by a + b; * * @return true if so @@ -534,7 +534,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Can an "ORDER BY" clause use columns not in the SELECT? * I checked it, and you can't. @@ -546,7 +546,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Is some form of "GROUP BY" clause supported? * I checked it, and yes it is. @@ -558,7 +558,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Can a "GROUP BY" clause use columns not in the SELECT? * I checked it - it seems to allow it @@ -570,7 +570,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Can a "GROUP BY" clause add columns not in the SELECT provided * it specifies all the columns in the SELECT? Does anyone actually @@ -583,7 +583,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; // For now... } - + /** * Is the escape character in "LIKE" clauses supported? A * JDBC compliant driver always returns true. @@ -595,12 +595,12 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Are multiple ResultSets from a single execute supported? * Well, I implemented it, but I dont think this is possible from * the back ends point of view. - * + * * @return true if so * @exception SQLException if a database access error occurs */ @@ -608,7 +608,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can we have multiple transactions open at once (on different * connections?) @@ -621,7 +621,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Can columns be defined as non-nullable. A JDBC Compliant driver * always returns true. @@ -636,7 +636,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Does this driver support the minimum ODBC SQL grammar. This * grammar is defined at: @@ -653,7 +653,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Does this driver support the Core ODBC SQL grammar. We need * SQL-92 conformance for this. @@ -665,7 +665,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does this driver support the Extended (Level 2) ODBC SQL * grammar. We don't conform to the Core (Level 1), so we can't @@ -678,7 +678,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does this driver support the ANSI-92 entry level SQL grammar? * All JDBC Compliant drivers must return true. I think we have @@ -691,7 +691,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does this driver support the ANSI-92 intermediate level SQL * grammar? Anyone who does not support Entry level cannot support @@ -704,7 +704,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Does this driver support the ANSI-92 full SQL grammar? * @@ -715,11 +715,11 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Is the SQL Integrity Enhancement Facility supported? * I haven't seen this mentioned anywhere, so I guess not - * + * * @return true if so * @exception SQLException if a database access error occurs */ @@ -727,7 +727,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Is some form of outer join supported? From my knowledge, nope. * @@ -736,9 +736,9 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData */ public boolean supportsOuterJoins() throws SQLException { - return false; + return true; // yes 7.1 does } - + /** * Are full nexted outer joins supported? Well, we dont support any * form of outer join, so this is no as well @@ -748,9 +748,9 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData */ public boolean supportsFullOuterJoins() throws SQLException { - return false; + return true; // yes in 7.1 } - + /** * Is there limited support for outer joins? (This will be true if * supportFullOuterJoins is true) @@ -760,9 +760,9 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData */ public boolean supportsLimitedOuterJoins() throws SQLException { - return false; + return true; // yes in 7.1 } - + /** * What is the database vendor's preferred term for "schema" - well, * we do not provide support for schemas, so lets just use that @@ -775,9 +775,9 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return "Schema"; } - + /** - * What is the database vendor's preferred term for "procedure" - + * What is the database vendor's preferred term for "procedure" - * I kind of like "Procedure" myself. * * @return the vendor term @@ -787,7 +787,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return "Procedure"; } - + /** * What is the database vendor's preferred term for "catalog"? - * we dont have a preferred term, so just use Catalog @@ -799,7 +799,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return "Catalog"; } - + /** * Does a catalog appear at the start of a qualified table name? * (Otherwise it appears at the end). @@ -811,7 +811,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * What is the Catalog separator. Hmmm....well, I kind of like * a period (so we get catalog.table definitions). - I don't think @@ -825,7 +825,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData // PM Sep 29 97 - changed from "." as we don't support catalogs. return ""; } - + /** * Can a schema name be used in a data manipulation statement? Nope. * @@ -836,7 +836,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can a schema name be used in a procedure call statement? Nope. * @@ -847,7 +847,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can a schema be used in a table definition statement? Nope. * @@ -858,7 +858,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can a schema name be used in an index definition statement? * @@ -869,7 +869,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can a schema name be used in a privilege definition statement? * @@ -880,7 +880,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can a catalog name be used in a data manipulation statement? * @@ -891,7 +891,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can a catalog name be used in a procedure call statement? * @@ -902,7 +902,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can a catalog name be used in a table definition statement? * @@ -913,7 +913,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can a catalog name be used in an index definition? * @@ -924,7 +924,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can a catalog name be used in a privilege definition statement? * @@ -935,7 +935,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * We support cursors for gets only it seems. I dont see a method * to get a positioned delete. @@ -947,10 +947,10 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; // For now... } - + /** * Is positioned UPDATE supported? - * + * * @return true if so * @exception SQLException if a database access error occurs */ @@ -958,49 +958,49 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; // For now... } - + public boolean supportsSelectForUpdate() throws SQLException { // XXX-Not Implemented return false; } - + public boolean supportsStoredProcedures() throws SQLException { // XXX-Not Implemented return false; } - + public boolean supportsSubqueriesInComparisons() throws SQLException { // XXX-Not Implemented return false; } - + public boolean supportsSubqueriesInExists() throws SQLException { // XXX-Not Implemented return false; } - + public boolean supportsSubqueriesInIns() throws SQLException { // XXX-Not Implemented return false; } - + public boolean supportsSubqueriesInQuantifieds() throws SQLException { // XXX-Not Implemented return false; } - + public boolean supportsCorrelatedSubqueries() throws SQLException { // XXX-Not Implemented return false; } - + /** * Is SQL UNION supported? Nope. * @@ -1009,9 +1009,9 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData */ public boolean supportsUnion() throws SQLException { - return false; + return true; // 7.0? } - + /** * Is SQL UNION ALL supported? Nope. * @@ -1022,7 +1022,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * In PostgreSQL, Cursors are only open within transactions. * @@ -1033,7 +1033,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Do we support open cursors across multiple transactions? * @@ -1044,7 +1044,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Can statements remain open across commits? They may, but * this driver cannot guarentee that. In further reflection. @@ -1058,7 +1058,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Can statements remain open across rollbacks? They may, but * this driver cannot guarentee that. In further contemplation, @@ -1072,7 +1072,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * How many hex characters can you have in an inline binary literal * @@ -1083,7 +1083,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 0; // For now... } - + /** * What is the maximum length for a character literal * I suppose it is 8190 (8192 - 2 for the quotes) @@ -1095,7 +1095,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 65535; } - + /** * Whats the limit on column name length. The description of * pg_class would say '32' (length of pg_class.relname) - we @@ -1108,18 +1108,18 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 32; } - + /** * What is the maximum number of columns in a "GROUP BY" clause? * * @return the max number of columns - * @exception SQLException if a database access error occurs + * @exception SQLException if a database access error occurs */ public int getMaxColumnsInGroupBy() throws SQLException { return getMaxColumnsInTable(); } - + /** * What's the maximum number of columns allowed in an index? * 6.0 only allowed one column, but 6.1 introduced multi-column @@ -1132,7 +1132,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return getMaxColumnsInTable(); } - + /** * What's the maximum number of columns in an "ORDER BY clause? * Theoretically, all of them! @@ -1144,7 +1144,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return getMaxColumnsInTable(); } - + /** * What is the maximum number of columns in a "SELECT" list? * Theoretically, all of them! @@ -1156,7 +1156,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return getMaxColumnsInTable(); } - + /** * What is the maximum number of columns in a table? From the * create_table(l) manual page... @@ -1173,7 +1173,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 1600; } - + /** * How many active connection can we have at a time to this * database? Well, since it depends on postmaster, which just @@ -1190,7 +1190,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 8192; } - + /** * What is the maximum cursor name length (the same as all * the other F***** identifiers!) @@ -1202,13 +1202,13 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 32; } - + /** * What is the maximum length of an index (in bytes)? Now, does - * the spec. mean name of an index (in which case its 32, the + * the spec. mean name of an index (in which case its 32, the * same as a table) or does it mean length of an index element * (in which case its 8192, the size of a row) or does it mean - * the number of rows it can access (in which case it 2^32 - + * the number of rows it can access (in which case it 2^32 - * a 4 byte OID number)? I think its the length of an index * element, personally, so Im setting it to 65535. * @@ -1219,13 +1219,13 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 65535; } - + public int getMaxSchemaNameLength() throws SQLException { // XXX-Not Implemented return 0; } - + /** * What is the maximum length of a procedure name? * (length of pg_proc.proname used) - again, I really @@ -1238,13 +1238,13 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 32; } - + public int getMaxCatalogNameLength() throws SQLException { // XXX-Not Implemented return 0; } - + /** * What is the maximum length of a single row? (not including * blobs). 65535 is defined in PostgreSQL. @@ -1256,7 +1256,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 65535; } - + /** * Did getMaxRowSize() include LONGVARCHAR and LONGVARBINARY * blobs? We don't handle blobs yet @@ -1268,7 +1268,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * What is the maximum length of a SQL statement? * @@ -1279,7 +1279,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 65535; } - + /** * How many active statements can we have open at one time to * this database? Basically, since each Statement downloads @@ -1295,7 +1295,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 1; } - + /** * What is the maximum length of a table name? This was found * from pg_class.relname length @@ -1307,7 +1307,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 32; } - + /** * What is the maximum number of tables that can be specified * in a SELECT? Theoretically, this is the same number as the @@ -1324,7 +1324,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 1024; } - + /** * What is the maximum length of a user name? Well, we generally * use UNIX like user names in PostgreSQL, so I think this would @@ -1338,8 +1338,8 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return 32; } - - + + /** * What is the database's default transaction isolation level? We * do not support this, so all transactions are SERIALIZABLE. @@ -1350,13 +1350,13 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData */ public int getDefaultTransactionIsolation() throws SQLException { - return Connection.TRANSACTION_READ_COMMITTED; + return Connection.TRANSACTION_READ_COMMITTED; } - + /** * Are transactions supported? If not, commit and rollback are noops * and the isolation level is TRANSACTION_NONE. We do support - * transactions. + * transactions. * * @return true if transactions are supported * @exception SQLException if a database access error occurs @@ -1365,11 +1365,11 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Does the database support the given transaction isolation level? * We only support TRANSACTION_SERIALIZABLE and TRANSACTION_READ_COMMITTED - * + * * @param level the values are defined in java.sql.Connection * @return true if so * @exception SQLException if a database access error occurs @@ -1377,15 +1377,15 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData */ public boolean supportsTransactionIsolationLevel(int level) throws SQLException { - if (level == Connection.TRANSACTION_SERIALIZABLE || - level == Connection.TRANSACTION_READ_COMMITTED) - return true; - else - return false; + if (level == Connection.TRANSACTION_SERIALIZABLE || + level == Connection.TRANSACTION_READ_COMMITTED) + return true; + else + return false; } - + /** - * Are both data definition and data manipulation transactions + * Are both data definition and data manipulation transactions * supported? I checked it, and could not do a CREATE TABLE * within a transaction, so I am assuming that we don't * @@ -1396,7 +1396,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Are only data manipulation statements withing a transaction * supported? @@ -1408,7 +1408,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Does a data definition statement within a transaction force * the transaction to commit? I think this means something like: @@ -1423,7 +1423,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData * COMMIT; *

* - * does the CREATE TABLE call cause a commit? The answer is no. + * does the CREATE TABLE call cause a commit? The answer is no. * * @return true if so * @exception SQLException if a database access error occurs @@ -1432,7 +1432,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return false; } - + /** * Is a data definition statement within a transaction ignored? * It seems to be (from experiment in previous method) @@ -1444,10 +1444,10 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { return true; } - + /** * Get a description of stored procedures available in a catalog - * + * *

Only procedure descriptions matching the schema and procedure * name criteria are returned. They are ordered by PROCEDURE_SCHEM * and PROCEDURE_NAME @@ -1483,42 +1483,42 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData Field f[] = new Field[8]; java.sql.ResultSet r; // ResultSet for the SQL query that we need to do Vector v = new Vector(); // The new ResultSet tuple stuff - + byte remarks[] = defaultRemarks; - + f[0] = new Field(connection, "PROCEDURE_CAT", iVarcharOid, 32); f[1] = new Field(connection, "PROCEDURE_SCHEM", iVarcharOid, 32); f[2] = new Field(connection, "PROCEDURE_NAME", iVarcharOid, 32); f[3] = f[4] = f[5] = new Field(connection,"reserved",iVarcharOid,32); // null; // reserved, must be null for now f[6] = new Field(connection, "REMARKS", iVarcharOid, 8192); f[7] = new Field(connection, "PROCEDURE_TYPE", iInt2Oid, 2); - + // If the pattern is null, then set it to the default if(procedureNamePattern==null) procedureNamePattern="%"; - + r = connection.ExecSQL("select proname, proretset from pg_proc where proname like '"+procedureNamePattern.toLowerCase()+"' order by proname"); - + while (r.next()) { byte[][] tuple = new byte[8][0]; - + tuple[0] = null; // Catalog name tuple[1] = null; // Schema name tuple[2] = r.getBytes(1); // Procedure name tuple[3] = tuple[4] = tuple[5] = null; // Reserved tuple[6] = remarks; // Remarks - + if (r.getBoolean(2)) tuple[7] = Integer.toString(java.sql.DatabaseMetaData.procedureReturnsResult).getBytes(); else tuple[7] = Integer.toString(java.sql.DatabaseMetaData.procedureNoResult).getBytes(); - + v.addElement(tuple); } return new ResultSet(connection, f, v, "OK", 1); } - + /** * Get a description of a catalog's stored procedure parameters * and result columns. @@ -1529,7 +1529,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData * first. Next are the parameter descriptions in call order. The * column descriptions follow in column number order. * - *

Each row in the ResultSet is a parameter description or column + *

Each row in the ResultSet is a parameter description or column * description with the following fields: *

    *
  1. PROCEDURE_CAT String => procedure catalog (may be null) @@ -1569,15 +1569,15 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { if(procedureNamePattern==null) procedureNamePattern="%"; - + if(columnNamePattern==null) columnNamePattern="%"; - + // for now, this returns an empty result set. Field f[] = new Field[13]; ResultSet r; // ResultSet for the SQL query that we need to do Vector v = new Vector(); // The new ResultSet tuple stuff - + f[0] = new Field(connection, "PROCEDURE_CAT", iVarcharOid, 32); f[1] = new Field(connection, "PROCEDURE_SCHEM", iVarcharOid, 32); f[2] = new Field(connection, "PROCEDURE_NAME", iVarcharOid, 32); @@ -1591,28 +1591,28 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData f[10] = new Field(connection, "RADIX", iInt2Oid, 2); f[11] = new Field(connection, "NULLABLE", iInt2Oid, 2); f[12] = new Field(connection, "REMARKS", iVarcharOid, 32); - + // add query loop here - + return new ResultSet(connection, f, v, "OK", 1); } - + /** - * Get a description of tables available in a catalog. + * Get a description of tables available in a catalog. * *

    Only table descriptions matching the catalog, schema, table * name and type criteria are returned. They are ordered by - * TABLE_TYPE, TABLE_SCHEM and TABLE_NAME. - * - *

    Each table description has the following columns: + * TABLE_TYPE, TABLE_SCHEM and TABLE_NAME. + * + *

    Each table description has the following columns: * *

      - *
    1. TABLE_CAT String => table catalog (may be null) - *
    2. TABLE_SCHEM String => table schema (may be null) + *
    3. TABLE_CAT String => table catalog (may be null) + *
    4. TABLE_SCHEM String => table schema (may be null) *
    5. TABLE_NAME String => table name *
    6. TABLE_TYPE String => table type. Typical types are "TABLE", * "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL - * TEMPORARY", "ALIAS", "SYNONYM". + * TEMPORARY", "ALIAS", "SYNONYM". *
    7. REMARKS String => explanatory comment on the table *
    * @@ -1626,7 +1626,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData * @param tableNamePattern a table name pattern. For all tables this should be "%" * @param types a list of table types to include; null returns * all types - * @return each row is a table description + * @return each row is a table description * @exception SQLException if a database-access error occurs. */ public java.sql.ResultSet getTables(String catalog, String schemaPattern, String tableNamePattern, String types[]) throws SQLException @@ -1634,49 +1634,49 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData // Handle default value for types if(types==null) types = defaultTableTypes; - + if(tableNamePattern==null) tableNamePattern="%"; - + // the field descriptors for the new ResultSet Field f[] = new Field[5]; java.sql.ResultSet r; // ResultSet for the SQL query that we need to do Vector v = new Vector(); // The new ResultSet tuple stuff - + f[0] = new Field(connection, "TABLE_CAT", iVarcharOid, 32); f[1] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32); f[2] = new Field(connection, "TABLE_NAME", iVarcharOid, 32); f[3] = new Field(connection, "TABLE_TYPE", iVarcharOid, 32); f[4] = new Field(connection, "REMARKS", iVarcharOid, 32); - + // Now form the query StringBuffer sql = new StringBuffer("select relname,oid,relkind from pg_class where ("); boolean notFirst=false; for(int i=0;i // Now take the pattern into account sql.append(") and relname like '"); sql.append(tableNamePattern.toLowerCase()); sql.append("' order by relkind, relname"); - + // Now run the query r = connection.ExecSQL(sql.toString()); - + byte remarks[]; - + while (r.next()) { byte[][] tuple = new byte[5][0]; - + // Fetch the description for the table (if any) java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(2)); if(((org.postgresql.ResultSet)dr).getTupleCount()==1) { @@ -1685,7 +1685,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData } else remarks = defaultRemarks; dr.close(); - + String relKind; switch (r.getBytes(3)[0]) { case (byte) 'r': @@ -1706,7 +1706,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData tuple[0] = null; // Catalog name tuple[1] = null; // Schema name - tuple[2] = r.getBytes(1); // Table name + tuple[2] = r.getBytes(1); // Table name tuple[3] = (relKind==null) ? null : relKind.getBytes(); // Table type tuple[4] = remarks; // Remarks v.addElement(tuple); @@ -1714,7 +1714,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData r.close(); return new ResultSet(connection, f, v, "OK", 1); } - + // This array contains the valid values for the types argument // in getTables(). // @@ -1723,20 +1723,20 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData // // IMPORTANT: the query must be enclosed in ( ) private static final String getTableTypes[][] = { - {"TABLE", "(relkind='r' and relhasrules='f' and relname !~ '^pg_')"}, + {"TABLE", "(relkind='r' and relhasrules='f' and relname !~ '^pg_' and relname !~ '^xinv')"}, {"VIEW", "(relkind='v' and relname !~ '^pg_')"}, {"INDEX", "(relkind='i' and relname !~ '^pg_')"}, {"SEQUENCE", "(relkind='S' and relname !~ '^pg_')"}, {"SYSTEM TABLE", "(relkind='r' and relname ~ '^pg_')"}, {"SYSTEM INDEX", "(relkind='i' and relname ~ '^pg_')"} }; - + // These are the default tables, used when NULL is passed to getTables // The choice of these provide the same behaviour as psql's \d private static final String defaultTableTypes[] = { "TABLE","VIEW","INDEX","SEQUENCE" }; - + /** * Get the schema names available in this database. The results * are ordered by schema name. @@ -1761,7 +1761,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData v.addElement(tuple); return new ResultSet(connection,f,v,"OK",1); } - + /** * Get the catalog names available in this database. The results * are ordered by catalog name. @@ -1785,7 +1785,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData v.addElement(tuple); return new ResultSet(connection,f,v,"OK",1); } - + /** * Get the table types available in this database. The results * are ordered by table type. @@ -1812,7 +1812,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData } return new ResultSet(connection,f,v,"OK",1); } - + /** * Get a description of table columns available in a catalog. * @@ -1867,7 +1867,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData Field f[] = new Field[18]; java.sql.ResultSet r; // ResultSet for the SQL query that we need to do Vector v = new Vector(); // The new ResultSet tuple stuff - + f[0] = new Field(connection, "TABLE_CAT", iVarcharOid, 32); f[1] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32); f[2] = new Field(connection, "TABLE_NAME", iVarcharOid, 32); @@ -1886,21 +1886,21 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData f[15] = new Field(connection, "CHAR_OCTET_LENGTH", iVarcharOid, 32); f[16] = new Field(connection, "ORDINAL_POSITION", iInt4Oid,4); f[17] = new Field(connection, "IS_NULLABLE", iVarcharOid, 32); - + // Added by Stefan Andreasen // If the pattern are null then set them to % if (tableNamePattern == null) tableNamePattern="%"; if (columnNamePattern == null) columnNamePattern="%"; - + // Now form the query // Modified by Stefan Andreasen r = connection.ExecSQL("select a.oid,c.relname,a.attname,a.atttypid,a.attnum,a.attnotnull,a.attlen,a.atttypmod from pg_class c, pg_attribute a where a.attrelid=c.oid and c.relname like '"+tableNamePattern.toLowerCase()+"' and a.attname like '"+columnNamePattern.toLowerCase()+"' and a.attnum>0 order by c.relname,a.attnum"); - + byte remarks[]; - + while(r.next()) { byte[][] tuple = new byte[18][0]; - + // Fetch the description for the table (if any) java.sql.ResultSet dr = connection.ExecSQL("select description from pg_description where objoid="+r.getInt(1)); if(((org.postgresql.ResultSet)dr).getTupleCount()==1) { @@ -1908,21 +1908,21 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData tuple[11] = dr.getBytes(1); } else tuple[11] = defaultRemarks; - + dr.close(); - + tuple[0] = "".getBytes(); // Catalog name tuple[1] = "".getBytes(); // Schema name tuple[2] = r.getBytes(2); // Table name tuple[3] = r.getBytes(3); // Column name - + dr = connection.ExecSQL("select typname from pg_type where oid = "+r.getString(4)); dr.next(); String typname=dr.getString(1); dr.close(); tuple[4] = Integer.toString(Field.getSQLType(typname)).getBytes(); // Data type tuple[5] = typname.getBytes(); // Type name - + // Column size // Looking at the psql source, // I think the length of a varchar as specified when the table was created @@ -1932,34 +1932,34 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData tuple[6] = Integer.toString(atttypmod != -1 ? atttypmod - VARHDRSZ : 0).getBytes(); } else tuple[6] = r.getBytes(7); - + tuple[7] = null; // Buffer length - + tuple[8] = "0".getBytes(); // Decimal Digits - how to get this? tuple[9] = "10".getBytes(); // Num Prec Radix - assume decimal - + // tuple[10] is below // tuple[11] is above - + tuple[12] = null; // column default - + tuple[13] = null; // sql data type (unused) tuple[14] = null; // sql datetime sub (unused) - + tuple[15] = tuple[6]; // char octet length - + tuple[16] = r.getBytes(5); // ordinal position - + String nullFlag = r.getString(6); tuple[10] = Integer.toString(nullFlag.equals("f")?java.sql.DatabaseMetaData.columnNullable:java.sql.DatabaseMetaData.columnNoNulls).getBytes(); // Nullable tuple[17] = (nullFlag.equals("f")?"YES":"NO").getBytes(); // is nullable - + v.addElement(tuple); } r.close(); return new ResultSet(connection, f, v, "OK", 1); } - + /** * Get a description of the access rights for a table's columns. * @@ -1991,15 +1991,15 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData { Field f[] = new Field[8]; Vector v = new Vector(); - + if(table==null) table="%"; - + if(columnNamePattern==null) columnNamePattern="%"; else columnNamePattern=columnNamePattern.toLowerCase(); - + f[0] = new Field(connection,"TABLE_CAT",iVarcharOid,32); f[1] = new Field(connection,"TABLE_SCHEM",iVarcharOid,32); f[2] = new Field(connection,"TABLE_NAME",iVarcharOid,32); @@ -2008,21 +2008,21 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData f[5] = new Field(connection,"GRANTEE",iVarcharOid,32); f[6] = new Field(connection,"PRIVILEGE",iVarcharOid,32); f[7] = new Field(connection,"IS_GRANTABLE",iVarcharOid,32); - + // This is taken direct from the psql source java.sql.ResultSet r = connection.ExecSQL("SELECT relname, relacl FROM pg_class, pg_user WHERE ( relkind = 'r' OR relkind = 'i') and relname !~ '^pg_' and relname !~ '^xin[vx][0-9]+' and usesysid = relowner and relname like '"+table.toLowerCase()+"' ORDER BY relname"); while(r.next()) { byte[][] tuple = new byte[8][0]; tuple[0] = tuple[1]= "".getBytes(); DriverManager.println("relname=\""+r.getString(1)+"\" relacl=\""+r.getString(2)+"\""); - + // For now, don't add to the result as relacl needs to be processed. //v.addElement(tuple); } - + return new ResultSet(connection,f,v,"OK",1); } - + /** * Get a description of the access rights for each table available * in a catalog. @@ -2057,7 +2057,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData // XXX-Not Implemented return null; } - + /** * Get a description of a table's optimal set of columns that * uniquely identifies a row. They are ordered by SCOPE. @@ -2099,7 +2099,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData Field f[] = new Field[8]; ResultSet r; // ResultSet for the SQL query that we need to do Vector v = new Vector(); // The new ResultSet tuple stuff - + f[0] = new Field(connection, "SCOPE", iInt2Oid, 2); f[1] = new Field(connection, "COLUMN_NAME", iVarcharOid, 32); f[2] = new Field(connection, "DATA_TYPE", iInt2Oid, 2); @@ -2108,10 +2108,10 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData f[5] = new Field(connection, "BUFFER_LENGTH", iInt4Oid, 4); f[6] = new Field(connection, "DECIMAL_DIGITS", iInt2Oid, 2); f[7] = new Field(connection, "PSEUDO_COLUMN", iInt2Oid, 2); - + return new ResultSet(connection, f, v, "OK", 1); } - + /** * Get a description of a table's columns that are automatically * updated when any value in a row is updated. They are @@ -2145,7 +2145,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData // XXX-Not Implemented return null; } - + /** * Get a description of a table's primary key columns. They * are ordered by COLUMN_NAME. @@ -2185,9 +2185,8 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData " ORDER BY table_name, pk_name, key_seq" ); } - - private void importLoop(Vector tuples, java.sql.ResultSet keyRelation) throws SQLException - { + + private void importLoop(Vector tuples, java.sql.ResultSet keyRelation) throws SQLException { String s,s2; String origTable=null, primTable=new String(""), schema; int i; @@ -2196,7 +2195,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData s=keyRelation.getString(1); s2=s; //System.out.println(s); - + for (i=0;;i++) { s=s.substring(s.indexOf("\\000")+4); if (s.compareTo("")==0) { @@ -2262,7 +2261,6 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData //return tuples; } - /** * Get a description of the primary key columns that are * referenced by a table's foreign key columns (the primary keys @@ -2350,7 +2348,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData return rsret; } - + /** * Get a description of a foreign key columns that reference a * table's primary key columns (the foreign keys exported by a @@ -2407,7 +2405,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData // XXX-Not Implemented return null; } - + /** * Get a description of the foreign key columns in the foreign key * table that reference the primary key columns of the primary key @@ -2467,7 +2465,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData // XXX-Not Implemented return null; } - + /** * Get a description of all the standard SQL types supported by * this database. They are ordered by DATA_TYPE and then by how @@ -2520,7 +2518,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData Field f[] = new Field[18]; ResultSet r; // ResultSet for the SQL query that we need to do Vector v = new Vector(); // The new ResultSet tuple stuff - + f[0] = new Field(connection, "TYPE_NAME", iVarcharOid, 32); f[1] = new Field(connection, "DATA_TYPE", iInt2Oid, 2); f[2] = new Field(connection, "PRECISION", iInt4Oid, 4); @@ -2539,7 +2537,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData f[15] = new Field(connection, "SQL_DATA_TYPE", iInt4Oid, 4); f[16] = new Field(connection, "SQL_DATETIME_SUB", iInt4Oid, 4); f[17] = new Field(connection, "NUM_PREC_RADIX", iInt4Oid, 4); - + // cache some results, this will keep memory useage down, and speed // things up a little. byte b9[] = "9".getBytes(); @@ -2547,7 +2545,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData byte bf[] = "f".getBytes(); byte bnn[] = Integer.toString(typeNoNulls).getBytes(); byte bts[] = Integer.toString(typeSearchable).getBytes(); - + while(rs.next()) { byte[][] tuple = new byte[18][]; String typname=rs.getString(1); @@ -2569,10 +2567,10 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData rs.close(); return new ResultSet(connection, f, v, "OK", 1); } - + return null; } - + /** * Get a description of a table's indices and statistics. They are * ordered by NON_UNIQUE, TYPE, INDEX_NAME, and ORDINAL_POSITION. @@ -2629,7 +2627,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData Field f[] = new Field[13]; java.sql.ResultSet r; // ResultSet for the SQL query that we need to do Vector v = new Vector(); // The new ResultSet tuple stuff - + f[0] = new Field(connection, "TABLE_CAT", iVarcharOid, 32); f[1] = new Field(connection, "TABLE_SCHEM", iVarcharOid, 32); f[2] = new Field(connection, "TABLE_NAME", iVarcharOid, 32); @@ -2643,7 +2641,6 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData f[10] = new Field(connection, "CARDINALITY", iInt4Oid, 4); f[11] = new Field(connection, "PAGES", iInt4Oid, 4); f[12] = new Field(connection, "FILTER_CONDITION", iVarcharOid, 32); - r = connection.ExecSQL("select " + "c.relname, " + @@ -2700,5 +2697,5 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData return new ResultSet(connection, f, v, "OK", 1); } -} +}