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QGIS/python/plugins/db_manager/db_plugins/postgis/sql_dictionary.py
Juergen E. Fischer c55f8b73f0 db_manager: cleanups
2016-03-21 17:00:24 +01:00

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# -*- coding: utf-8 -*-
"""
***************************************************************************
sql_dictionary.py
---------------------
Date : April 2012
Copyright : (C) 2012 by Giuseppe Sucameli
Email : brush dot tyler at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Giuseppe Sucameli'
__date__ = 'April 2012'
__copyright__ = '(C) 2012, Giuseppe Sucameli'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
# keywords
keywords = [
# TODO get them from a reference page
"action", "add", "after", "all", "alter", "analyze", "and", "as", "asc",
"before", "begin", "between", "by", "cascade", "case", "cast", "check",
"collate", "column", "commit", "constraint", "create", "cross", "current_date",
"current_time", "current_timestamp", "default", "deferrable", "deferred",
"delete", "desc", "distinct", "drop", "each", "else", "end", "escape",
"except", "exists", "for", "foreign", "from", "full", "group", "having",
"ignore", "immediate", "in", "initially", "inner", "insert", "intersect",
"into", "is", "isnull", "join", "key", "left", "like", "limit", "match",
"natural", "no", "not", "notnull", "null", "of", "offset", "on", "or", "order",
"outer", "primary", "references", "release", "restrict", "right", "rollback",
"row", "savepoint", "select", "set", "table", "temporary", "then", "to",
"transaction", "trigger", "union", "unique", "update", "using", "values",
"view", "when", "where",
"absolute", "admin", "aggregate", "alias", "allocate", "analyse", "any", "are",
"array", "asensitive", "assertion", "asymmetric", "at", "atomic",
"authorization", "avg", "bigint", "binary", "bit", "bit_length", "blob",
"boolean", "both", "breadth", "call", "called", "cardinality", "cascaded",
"catalog", "ceil", "ceiling", "char", "character", "character_length",
"char_length", "class", "clob", "close", "coalesce", "collation", "collect",
"completion", "condition", "connect", "connection", "constraints",
"constructor", "continue", "convert", "corr", "corresponding", "count",
"covar_pop", "covar_samp", "cube", "cume_dist", "current",
"current_default_transform_group", "current_path", "current_role",
"current_transform_group_for_type", "current_user", "cursor", "cycle", "data",
"date", "day", "deallocate", "dec", "decimal", "declare", "dense_rank",
"depth", "deref", "describe", "descriptor", "destroy", "destructor",
"deterministic", "diagnostics", "dictionary", "disconnect", "do", "domain",
"double", "dynamic", "element", "end-exec", "equals", "every", "exception",
"exec", "execute", "exp", "external", "extract", "false", "fetch", "filter",
"first", "float", "floor", "found", "free", "freeze", "function", "fusion",
"general", "get", "global", "go", "goto", "grant", "grouping", "hold", "host",
"hour", "identity", "ilike", "indicator", "initialize", "inout", "input",
"insensitive", "int", "integer", "intersection", "interval", "isolation",
"iterate", "language", "large", "last", "lateral", "leading", "less", "level",
"ln", "local", "localtime", "localtimestamp", "locator", "lower", "map", "max",
"member", "merge", "method", "min", "minute", "mod", "modifies", "modify",
"module", "month", "multiset", "names", "national", "nchar", "nclob", "new",
"next", "none", "normalize", "nullif", "numeric", "object", "octet_length",
"off", "old", "only", "open", "operation", "option", "ordinality", "out",
"output", "over", "overlaps", "overlay", "pad", "parameter", "parameters",
"partial", "partition", "path", "percentile_cont", "percentile_disc",
"percent_rank", "placing", "position", "postfix", "power", "precision",
"prefix", "preorder", "prepare", "preserve", "prior", "privileges",
"procedure", "public", "range", "rank", "read", "reads", "real", "recursive",
"ref", "referencing", "regr_avgx", "regr_avgy", "regr_count", "regr_intercept",
"regr_r2", "regr_slope", "regr_sxx", "regr_sxy", "regr_syy", "relative",
"result", "return", "returning", "returns", "revoke", "role", "rollup",
"routine", "rows", "row_number", "schema", "scope", "scroll", "search",
"second", "section", "sensitive", "sequence", "session", "session_user",
"sets", "similar", "size", "smallint", "some", "space", "specific",
"specifictype", "sql", "sqlcode", "sqlerror", "sqlexception", "sqlstate",
"sqlwarning", "sqrt", "start", "state", "statement", "static", "stddev_pop",
"stddev_samp", "structure", "submultiset", "substring", "sum", "symmetric",
"system", "system_user", "tablesample", "terminate", "than", "time",
"timestamp", "timezone_hour", "timezone_minute", "trailing", "translate",
"translation", "treat", "trim", "true", "uescape", "under", "unknown",
"unnest", "upper", "usage", "user", "value", "varchar", "variable", "varying",
"var_pop", "var_samp", "verbose", "whenever", "width_bucket", "window", "with",
"within", "without", "work", "write", "xml", "xmlagg", "xmlattributes",
"xmlbinary", "xmlcomment", "xmlconcat", "xmlelement", "xmlforest",
"xmlnamespaces", "xmlparse", "xmlpi", "xmlroot", "xmlserialize", "year", "zone"
]
postgis_keywords = []
# functions
functions = [
"coalesce",
"nullif", "quote", "random",
"replace", "soundex"
]
operators = [
' AND ', ' OR ', '||', ' < ', ' <= ', ' > ', ' >= ', ' = ', ' <> ', ' IS ', ' IS NOT ', ' IN ', ' LIKE ', ' GLOB ', ' MATCH ', ' REGEXP '
]
math_functions = [
# SQL math functions
"Abs", "ACos", "ASin", "ATan", "Cos", "Cot", "Degrees", "Exp", "Floor", "Log", "Log2",
"Log10", "Pi", "Radians", "Round", "Sign", "Sin", "Sqrt", "StdDev_Pop", "StdDev_Samp", "Tan",
"Var_Pop", "Var_Samp"]
string_functions = ["Length", "Lower", "Upper", "Like", "Trim", "LTrim", "RTrim", "Replace", "Substr"]
aggregate_functions = [
"Max", "Min", "Avg", "Count", "Sum", "Group_Concat", "Total", "Var_Pop", "Var_Samp", "StdDev_Pop", "StdDev_Samp"
]
postgis_functions = [ # from http://www.postgis.org/docs/reference.html
# 7.1. PostgreSQL PostGIS Types
"*box2d", "*box3d", "*box3d_extent", "*geometry", "*geometry_dump", "*geography",
# 7.2. Management Functions
"*addgeometrycolumn", "*dropgeometrycolumn", "*dropgeometrytable", "*postgis_full_version",
"*postgis_geos_version", "*postgis_libxml_version", "*postgis_lib_build_date",
"*postgis_lib_version", "*postgis_proj_version", "*postgis_scripts_build_date",
"*postgis_scripts_installed", "*postgis_scripts_released", "*postgis_uses_stats", "*postgis_version",
"*populate_geometry_columns", "*probe_geometry_columns", "*updategeometrysrid",
# 7.3. Geometry Constructors
"*ST_bdpolyfromtext", "*ST_bdmpolyfromtext", "*ST_geogfromtext", "*ST_geographyfromtext",
"*ST_geogfromwkb", "*ST_geomcollfromtext", "*ST_geomfromewkb", "*ST_geomfromewkt",
"*ST_geometryfromtext", "*ST_geomfromgml", "*ST_geomfromkml", "*ST_gmltosql", "*ST_geomfromtext",
"*ST_geomfromwkb", "*ST_linefrommultipoint", "*ST_linefromtext", "*ST_linefromwkb",
"*ST_linestringfromwkb", "*ST_makebox2d", "*ST_makebox3d", "ST_MakeLine", "*ST_makeenvelope",
"ST_MakePolygon", "ST_MakePoint", "ST_MakePointM", "*ST_MLinefromtext", "*ST_mpointfromtext",
"*ST_mpolyfromtext", "ST_Point", "*ST_pointfromtext", "*ST_pointfromwkb", "ST_Polygon",
"*ST_polygonfromtext", "*ST_wkbtosql", "*ST_wkttosql",
# 7.4. Geometry Accessors
"GeometryType", "ST_Boundary", "*ST_coorddim", "ST_Dimension", "ST_EndPoint", "ST_Envelope",
"ST_ExteriorRing", "ST_GeometryN", "ST_GeometryType", "ST_InteriorRingN", "ST_isClosed",
"ST_isEmpty", "ST_isRing", "ST_isSimple", "ST_isValid", "ST_isValidReason", "ST_M", "ST_NDims",
"ST_NPoints", "ST_NRings", "ST_NumGeometries", "ST_NumInteriorrings", "ST_NumInteriorring",
"ST_NumPoints", "ST_PointN", "ST_Srid", "ST_StartPoint", "ST_Summary", "ST_X", "ST_Y", "ST_Z",
"*ST_zmflag",
# 7.5. Geometry Editors
"ST_AddPoint", "ST_Affine", "ST_Force2D", "*ST_Force3D", "*ST_Force3dZ", "*ST_Force3DM",
"*ST_Force_4d", "*ST_force_collection", "*ST_forcerhr", "*ST_linemerge", "*ST_collectionextract",
"ST_Multi", "*ST_removepoint", "*ST_reverse", "*ST_rotate", "*ST_rotatex", "*ST_rotatey",
"*ST_rotatez", "*ST_scale", "*ST_segmentize", "*ST_setpoint", "ST_SetSrid", "ST_SnapToGrid",
"ST_Transform", "ST_Translate", "*ST_transscale",
# 7.6. Geometry Outputs
"*ST_asbinary", "*ST_asewkb", "*ST_asewkt", "*ST_asgeojson", "*ST_asgml", "*ST_ashexewkb", "*ST_askml",
"*ST_assvg", "*ST_geohash", "ST_Astext",
# 7.7. Operators
# 7.8. Spatial Relationships and Measurements
"ST_Area", "ST_Azimuth", "ST_Centroid", "ST_ClosestPoint", "ST_Contains", "ST_ContainsProperly",
"ST_Covers", "ST_CoveredBy", "ST_Crosses", "*ST_linecrossingdirection", "ST_Cisjoint",
"ST_Distance", "*ST_hausdorffdistance", "*ST_maxdistance", "ST_Distance_Sphere",
"ST_Distance_Spheroid", "*ST_DFullyWithin", "ST_DWithin", "ST_Equals", "*ST_hasarc",
"ST_Intersects", "ST_Length", "*ST_Length2d", "*ST_length3d", "ST_Length_Spheroid",
"*ST_length2d_spheroid", "*ST_length3d_spheroid", "*ST_longestline", "*ST_orderingequals",
"ST_Overlaps", "*ST_perimeter", "*ST_perimeter2d", "*ST_perimeter3d", "ST_PointOnSurface",
"ST_Relate", "ST_ShortestLine", "ST_Touches", "ST_Within",
# 7.9. Geometry Processing Functions
"ST_Buffer", "ST_BuildArea", "ST_Collect", "ST_ConvexHull", "*ST_curvetoline", "ST_Difference",
"ST_Dump", "*ST_dumppoints", "*ST_dumprings", "ST_Intersection", "*ST_linetocurve", "*ST_memunion",
"*ST_minimumboundingcircle", "*ST_polygonize", "*ST_shift_longitude", "ST_Simplify",
"ST_SimplifyPreserveTopology", "ST_SymDifference", "ST_Union",
# 7.10. Linear Referencing
"ST_Line_Interpolate_Point", "ST_Line_Locate_Point", "ST_Line_Substring",
"*ST_locate_along_measure", "*ST_locate_between_measures", "*ST_locatebetweenelevations",
"*ST_addmeasure",
# 7.11. Long Transactions Support
"*addauth", "*checkauth", "*disablelongtransactions", "*enablelongtransactions", "*lockrow",
"*unlockrows",
# 7.12. Miscellaneous Functions
"*ST_accum", "*box2d", "*box3d", "*ST_estimated_extent", "*ST_expand", "ST_Extent", "*ST_extent3d",
"*find_srid", "*ST_mem_size", "*ST_point_inside_circle", "ST_XMax", "ST_XMin", "ST_YMax", "ST_YMin",
"ST_ZMax", "ST_ZMin",
# 7.13. Exceptional Functions
"*postgis_addbbox", "*postgis_dropbbox", "*postgis_hasbbox"
]
# constants
constants = ["null", "false", "true"]
postgis_constants = []
def getSqlDictionary(spatial=True):
def strip_star(s):
if s[0] == '*':
return s.lower()[1:]
else:
return s.lower()
k, c, f = list(keywords), list(constants), list(functions)
if spatial:
k += postgis_keywords
f += postgis_functions
c += postgis_constants
return {'keyword': map(strip_star, k), 'constant': map(strip_star, c), 'function': map(strip_star, f)}
def getQueryBuilderDictionary():
# concat functions
def ff(l):
return [s for s in l if s[0] != '*']
def add_paren(l):
return [s + "(" for s in l]
foo = sorted(add_paren(ff(list(set.union(set(functions), set(postgis_functions))))))
m = sorted(add_paren(ff(math_functions)))
agg = sorted(add_paren(ff(aggregate_functions)))
op = ff(operators)
s = sorted(add_paren(ff(string_functions)))
return {'function': foo, 'math': m, 'aggregate': agg, 'operator': op, 'string': s}
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