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* Introduce `--flatten-schema` flag to convert, merge, and split commands. * Modify database writing functions to support flattened schema names. * Update template functions to handle schema.table naming convention. * Enhance PostgreSQL writer to utilize flattened schema in generated SQL. * Update tests to ensure compatibility with new flattening feature. * Dependencies updated for improved functionality.
84 lines
2.9 KiB
Cheetah
84 lines
2.9 KiB
Cheetah
CREATE OR REPLACE FUNCTION {{qual_table_raw .SchemaName .FunctionName}}()
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RETURNS trigger AS
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$body$
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DECLARE
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m_funcname text = '{{.FunctionName}}';
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m_user text;
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m_atevent integer;
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BEGIN
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-- Get current user
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m_user := {{.UserFunction}}::text;
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-- Skip audit for specific users if needed
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IF m_user IN ('noaudit', 'importuser') THEN
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IF (TG_OP = 'DELETE') THEN
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RETURN OLD;
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ELSIF (TG_OP = 'UPDATE') THEN
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RETURN NEW;
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ELSIF (TG_OP = 'INSERT') THEN
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RETURN NEW;
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END IF;
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END IF;
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{{- if .AuditInsert}}
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IF TG_OP = 'INSERT' THEN
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-- Record INSERT
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INSERT INTO {{.AuditSchema}}.atevent (tablename, tableprefix, rid_parent, changeuser, changedate, changetime, actionx)
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VALUES ('{{.TableName}}', {{.TablePrefix}}, new.{{.PrimaryKey}}, m_user, CURRENT_DATE, CURRENT_TIME, 1)
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RETURNING rid_atevent INTO m_atevent;
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{{- end}}
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{{- if .AuditUpdate}}
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ELSIF TG_OP = 'UPDATE' THEN
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-- Check if any audited columns changed
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IF ({{.UpdateCondition}}) THEN
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INSERT INTO {{.AuditSchema}}.atevent (tablename, tableprefix, rid_parent, changeuser, changedate, changetime, actionx)
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VALUES ('{{.TableName}}', {{.TablePrefix}}, new.{{.PrimaryKey}}, m_user, CURRENT_DATE, CURRENT_TIME, 2)
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RETURNING rid_atevent INTO m_atevent;
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-- Record column changes
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{{- range .UpdateColumns}}
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IF (old.{{.Name}} IS DISTINCT FROM new.{{.Name}}) THEN
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INSERT INTO {{$.AuditSchema}}.atdetail(rid_atevent, datacolumn, changedfrom, changedto)
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VALUES (m_atevent, '{{.Name}}', substr({{.OldValue}}, 1, 1000), substr({{.NewValue}}, 1, 1000));
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END IF;
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{{- end}}
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END IF;
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{{- end}}
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{{- if .AuditDelete}}
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ELSIF TG_OP = 'DELETE' THEN
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-- Record DELETE
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INSERT INTO {{.AuditSchema}}.atevent (tablename, tableprefix, rid_parent, rid_deletedparent, changeuser, changedate, changetime, actionx)
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VALUES ('{{.TableName}}', {{.TablePrefix}}, old.{{.PrimaryKey}}, old.{{.PrimaryKey}}, m_user, CURRENT_DATE, CURRENT_TIME, 3)
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RETURNING rid_atevent INTO m_atevent;
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-- Record deleted column values
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{{- range .DeleteColumns}}
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INSERT INTO {{$.AuditSchema}}.atdetail(rid_atevent, datacolumn, changedfrom, changedto)
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VALUES (m_atevent, '{{.Name}}', substr({{.OldValue}}, 1, 1000), NULL);
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{{- end}}
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{{- end}}
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END IF;
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IF (TG_OP = 'DELETE') THEN
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RETURN OLD;
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ELSIF (TG_OP = 'UPDATE') THEN
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RETURN NEW;
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ELSIF (TG_OP = 'INSERT') THEN
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RETURN NEW;
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END IF;
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RETURN NULL;
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EXCEPTION
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WHEN OTHERS THEN
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RAISE WARNING 'Audit function % failed: %', m_funcname, SQLERRM;
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RETURN NULL;
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END;
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$body$
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LANGUAGE plpgsql
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VOLATILE
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SECURITY DEFINER;
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COMMENT ON FUNCTION {{qual_table_raw .SchemaName .FunctionName}}() IS 'Audit trigger function for table {{qual_table_raw .SchemaName .TableName}}'; |