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zgq
2024-06-17 17:51:46 +08:00
parent 9c8fbf7f0a
commit 2fcf18d0d9
1 changed files with 2 additions and 2 deletions
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chat2db-server/chat2db-plugins/chat2db-postgresql/src/main/java/ai/chat2db/plugin/postgresql/PostgreSQLMetaData.java
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@ -54,7 +54,7 @@ public class PostgreSQLMetaData extends DefaultMetaService implements MetaData {
private List<String> systemSchemas = Arrays.asList("pg_toast", "pg_temp_1", "pg_toast_temp_1", "pg_catalog", "information_schema");
@Override
/* @Override
public List<Schema> schemas(Connection connection, String databaseName) {
List<Schema> schemas = SQLExecutor.getInstance().execute(connection,
"SELECT catalog_name, schema_name FROM information_schema.schemata;", resultSet -> {
@ -70,7 +70,7 @@ public class PostgreSQLMetaData extends DefaultMetaService implements MetaData {
return databases;
});
return SortUtils.sortSchema(schemas, systemSchemas);
}
}*/
private static final String SELECT_TABLE_INDEX = "SELECT tmp.INDISPRIMARY AS Index_primary, tmp.TABLE_SCHEM, tmp.TABLE_NAME, tmp.NON_UNIQUE, tmp.INDEX_QUALIFIER, tmp.INDEX_NAME AS Key_name, tmp.indisclustered, tmp.ORDINAL_POSITION AS Seq_in_index, TRIM ( BOTH '\"' FROM pg_get_indexdef ( tmp.CI_OID, tmp.ORDINAL_POSITION, FALSE ) ) AS Column_name,CASE tmp.AM_NAME WHEN 'btree' THEN CASE tmp.I_INDOPTION [ tmp.ORDINAL_POSITION - 1 ] & 1 :: SMALLINT WHEN 1 THEN 'D' ELSE'A' END ELSE NULL END AS Collation, tmp.CARDINALITY, tmp.PAGES, tmp.FILTER_CONDITION , tmp.AM_NAME AS Index_method, tmp.DESCRIPTION AS Index_comment FROM ( SELECT n.nspname AS TABLE_SCHEM, ct.relname AS TABLE_NAME, NOT i.indisunique AS NON_UNIQUE, NULL AS INDEX_QUALIFIER, ci.relname AS INDEX_NAME,i.INDISPRIMARY , i.indisclustered , ( information_schema._pg_expandarray ( i.indkey ) ).n AS ORDINAL_POSITION, ci.reltuples AS CARDINALITY, ci.relpages AS PAGES, pg_get_expr ( i.indpred, i.indrelid ) AS FILTER_CONDITION, ci.OID AS CI_OID, i.indoption AS I_INDOPTION, am.amname AS AM_NAME , d.description FROM pg_class ct JOIN pg_namespace n ON ( ct.relnamespace = n.OID ) JOIN pg_index i ON ( ct.OID = i.indrelid ) JOIN pg_class ci ON ( ci.OID = i.indexrelid ) JOIN pg_am am ON ( ci.relam = am.OID ) left outer join pg_description d on i.indexrelid = d.objoid WHERE n.nspname = '%s' AND ct.relname = '%s' ) AS tmp ;";