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[postgres] Ignore unset attributes when changing attribute values, adding features

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This commit is contained in:
Nyall Dawson 2025-02-07 14:28:29 +10:00
parent 28152b4c24
commit 7dde0f83a7
1 changed files with 26 additions and 17 deletions
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43
src/providers/postgres/qgspostgresprovider.cpp
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@ -2287,7 +2287,7 @@ bool QgsPostgresProvider::addFeatures( QgsFeatureList &flist, Flags flags )
QVariant v2 = attrs2.value( idx, QgsVariantUtils::createNullVariant( QMetaType::Type::Int ) );
// a PK field with a sequence val is auto populate by QGIS with this default
// we are only interested in non default values
if ( !QgsVariantUtils::isNull( v2 ) && v2.toString() != defaultValue )
if ( !QgsVariantUtils::isNull( v2 ) && v2.toString() != defaultValue && v2.userType() != qMetaTypeId< QgsUnsetAttributeValue >() )
{
foundNonEmptyPK = true;
break;
@ -2298,7 +2298,7 @@ bool QgsPostgresProvider::addFeatures( QgsFeatureList &flist, Flags flags )
if ( !skipSinglePKField )
{
for ( int idx : mPrimaryKeyAttrs )
for ( int idx : std::as_const( mPrimaryKeyAttrs ) )
{
if ( mIdentityFields[idx] == 'a' )
overrideIdentity = true;
@ -2327,7 +2327,6 @@ bool QgsPostgresProvider::addFeatures( QgsFeatureList &flist, Flags flags )
continue;
QString fieldname = mAttributeFields.at( idx ).name();
if ( !mGeneratedValues.value( idx, QString() ).isEmpty() )
{
QgsDebugMsgLevel( QStringLiteral( "Skipping field %1 (idx %2) which is GENERATED." ).arg( fieldname, QString::number( idx ) ), 2 );
@ -2469,7 +2468,7 @@ bool QgsPostgresProvider::addFeatures( QgsFeatureList &flist, Flags flags )
QVariant value = attrIdx < attrs.length() ? attrs.at( attrIdx ) : QgsVariantUtils::createNullVariant( QMetaType::Type::Int );
QString v;
if ( QgsVariantUtils::isNull( value ) )
if ( QgsVariantUtils::isNull( value ) || value.userType() == qMetaTypeId< QgsUnsetAttributeValue >() )
{
QgsField fld = field( attrIdx );
v = paramValue( defaultValues[i], defaultValues[i] );
@ -2949,6 +2948,10 @@ bool QgsPostgresProvider::changeAttributeValues( const QgsChangedAttributesMap &
{
try
{
const QVariant attributeValue = siter.value();
if ( attributeValue.userType() == qMetaTypeId< QgsUnsetAttributeValue >() )
continue;
QgsField fld = field( siter.key() );
pkChanged = pkChanged || mPrimaryKeyAttrs.contains( siter.key() );
@ -2965,13 +2968,13 @@ bool QgsPostgresProvider::changeAttributeValues( const QgsChangedAttributesMap &
delim = ',';
QString defVal = defaultValueClause( siter.key() );
if ( qgsVariantEqual( *siter, defVal ) )
if ( qgsVariantEqual( attributeValue, defVal ) )
{
sql += defVal.isNull() ? "NULL" : defVal;
}
else if ( fld.typeName() == QLatin1String( "geometry" ) )
{
QString val = geomAttrToString( siter.value(), connectionRO() );
QString val = geomAttrToString( attributeValue, connectionRO() );
sql += QStringLiteral( "%1(%2)" )
.arg( connectionRO()->majorVersion() < 2 ? "geomfromewkt" : "st_geomfromewkt", quotedValue( val ) );
@ -2979,25 +2982,25 @@ bool QgsPostgresProvider::changeAttributeValues( const QgsChangedAttributesMap &
else if ( fld.typeName() == QLatin1String( "geography" ) )
{
sql += QStringLiteral( "st_geographyfromtext(%1)" )
.arg( quotedValue( siter->toString() ) );
.arg( quotedValue( attributeValue.toString() ) );
}
else if ( fld.typeName() == QLatin1String( "jsonb" ) )
{
sql += QStringLiteral( "%1::jsonb" )
.arg( quotedJsonValue( siter.value() ) );
.arg( quotedJsonValue( attributeValue ) );
}
else if ( fld.typeName() == QLatin1String( "json" ) )
{
sql += QStringLiteral( "%1::json" )
.arg( quotedJsonValue( siter.value() ) );
.arg( quotedJsonValue( attributeValue ) );
}
else if ( fld.typeName() == QLatin1String( "bytea" ) )
{
sql += quotedByteaValue( siter.value() );
sql += quotedByteaValue( attributeValue );
}
else
{
sql += quotedValue( *siter );
sql += quotedValue( attributeValue );
}
}
catch ( PGFieldNotFound )
@ -3328,6 +3331,12 @@ bool QgsPostgresProvider::changeFeatures( const QgsChangedAttributesMap &attr_ma
continue;
}
const QVariant value = siter.value();
if ( value.userType() == qMetaTypeId< QgsUnsetAttributeValue >() )
{
continue;
}
numChangedFields++;
sql += delim + QStringLiteral( "%1=" ).arg( quotedIdentifier( fld.name() ) );
@ -3335,32 +3344,32 @@ bool QgsPostgresProvider::changeFeatures( const QgsChangedAttributesMap &attr_ma
if ( fld.typeName() == QLatin1String( "geometry" ) )
{
QString val = geomAttrToString( siter.value(), connectionRO() );
QString val = geomAttrToString( value, connectionRO() );
sql += QStringLiteral( "%1(%2)" )
.arg( connectionRO()->majorVersion() < 2 ? "geomfromewkt" : "st_geomfromewkt", quotedValue( val ) );
}
else if ( fld.typeName() == QLatin1String( "geography" ) )
{
sql += QStringLiteral( "st_geographyfromtext(%1)" )
.arg( quotedValue( siter->toString() ) );
.arg( quotedValue( value.toString() ) );
}
else if ( fld.typeName() == QLatin1String( "jsonb" ) )
{
sql += QStringLiteral( "%1::jsonb" )
.arg( quotedJsonValue( siter.value() ) );
.arg( quotedJsonValue( value ) );
}
else if ( fld.typeName() == QLatin1String( "json" ) )
{
sql += QStringLiteral( "%1::json" )
.arg( quotedJsonValue( siter.value() ) );
.arg( quotedJsonValue( value ) );
}
else if ( fld.typeName() == QLatin1String( "bytea" ) )
{
sql += quotedByteaValue( siter.value() );
sql += quotedByteaValue( value );
}
else
{
sql += quotedValue( *siter );
sql += quotedValue( value );
}
}
catch ( PGFieldNotFound )