add schema-handling to base.tableColumnNames(text)
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@ -6,15 +6,31 @@
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--changeset michael.hoennig:table-columns-function endDelimiter:--//
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-- ----------------------------------------------------------------------------
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create or replace function base.tableColumnNames( tableName text )
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create or replace function base.tableColumnNames( ofTableName text )
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returns text
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stable
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language 'plpgsql' as $$
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declare columns text[];
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declare
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tableName text;
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tableSchema text;
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columns text[];
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begin
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tableSchema := CASE
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WHEN position('.' in ofTableName) > 0 THEN split_part(ofTableName, '.', 1)
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ELSE 'public'
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END;
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tableName := CASE
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WHEN position('.' in ofTableName) > 0 THEN split_part(ofTableName, '.', 2)
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ELSE ofTableName
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END;
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columns := (select array(select column_name::text
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from information_schema.columns
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where table_name = tableName));
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from information_schema.columns
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where table_name = tableName
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and table_schema = tableSchema));
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assert cardinality(columns) > 0, 'cannot determine columns of table ' || ofTableName ||
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'("' || tableSchema || '"."' || tableName || '")';
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return array_to_string(columns, ', ');
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end; $$
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--//
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