ij> -- -- Licensed to the Apache Software Foundation (ASF) under one or more -- contributor license agreements. See the NOTICE file distributed with -- this work for additional information regarding copyright ownership. -- The ASF licenses this file to You under the Apache License, Version 2.0 -- (the "License"); you may not use this file except in compliance with -- the License. You may obtain a copy of the License at -- -- http://www.apache.org/licenses/LICENSE-2.0 -- -- Unless required by applicable law or agreed to in writing, software -- distributed under the License is distributed on an "AS IS" BASIS, -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -- See the License for the specific language governing permissions and -- limitations under the License. -- create table derby6216( a int, status varchar(10)); 0 rows inserted/updated/deleted ij> insert into derby6216 values (1, 'ACTIVE'), (2, 'IDLE'); 2 rows inserted/updated/deleted ij> call syscs_util.syscs_set_runtimestatistics(1); 0 rows inserted/updated/deleted ij> call syscs_util.syscs_set_xplain_schema('STATS'); 0 rows inserted/updated/deleted ij> call syscs_util.syscs_set_xplain_mode(1); 0 rows inserted/updated/deleted ij> select a from derby6216 where status != 'IDLE'; A ----------- ij> call syscs_util.syscs_set_xplain_mode(0); 0 rows inserted/updated/deleted ij> call syscs_util.syscs_set_runtimestatistics(0); 0 rows inserted/updated/deleted ij> call syscs_util.syscs_set_xplain_schema(''); 0 rows inserted/updated/deleted ij> select stmt_text from stats.sysxplain_statements; STMT_TEXT -------------------------------------------------------------------------------------------------------------------------------- select a from derby6216 where status != 'IDLE' ij> select st.stmt_text, rs.op_identifier from stats.sysxplain_statements st join stats.sysxplain_resultsets rs on st.stmt_id = rs.stmt_id order by st.stmt_text,rs.op_identifier; STMT_TEXT |OP_IDENTIFIER ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- select a from derby6216 where status != 'IDLE' |PROJECTION select a from derby6216 where status != 'IDLE' |TABLESCAN ij> select st.stmt_text, sp.no_visited_pages, sp.no_visited_rows from stats.sysxplain_scan_props sp, stats.sysxplain_resultsets rs, stats.sysxplain_statements st where st.stmt_id = rs.stmt_id and rs.scan_rs_id = sp.scan_rs_id and rs.op_identifier = 'TABLESCAN' and sp.scan_object_name = 'DERBY6216'; STMT_TEXT |NO_VISITED&|NO_VISITED& -------------------------------------------------------------------------------------------------------------------------------------------------------- select a from derby6216 where status != 'IDLE' |0 |0 ij> drop table stats.sysxplain_statements; 0 rows inserted/updated/deleted ij> drop table stats.sysxplain_resultsets; 0 rows inserted/updated/deleted ij> drop table stats.sysxplain_scan_props; 0 rows inserted/updated/deleted ij> drop table stats.sysxplain_sort_props; 0 rows inserted/updated/deleted ij> call syscs_util.syscs_set_runtimestatistics(1); 0 rows inserted/updated/deleted ij> call syscs_util.syscs_set_xplain_schema('STATS'); 0 rows inserted/updated/deleted ij> call syscs_util.syscs_set_xplain_mode(1); 0 rows inserted/updated/deleted ij> select sql_text from syscs_diag.transaction_table where status != 'IDLE'; SQL_TEXT -------------------------------------------------------------------------------------------------------------------------------- ij> call syscs_util.syscs_set_xplain_mode(0); 0 rows inserted/updated/deleted ij> call syscs_util.syscs_set_runtimestatistics(0); 0 rows inserted/updated/deleted ij> call syscs_util.syscs_set_xplain_schema(''); 0 rows inserted/updated/deleted ij> select stmt_text from stats.sysxplain_statements; STMT_TEXT -------------------------------------------------------------------------------------------------------------------------------- select sql_text from syscs_diag.transaction_table where status != 'IDLE' ij> select st.stmt_text, rs.op_identifier, rs.op_details, rs.returned_rows from stats.sysxplain_statements st join stats.sysxplain_resultsets rs on st.stmt_id = rs.stmt_id order by st.stmt_text,rs.op_identifier; STMT_TEXT |OP_IDENTIFIER |OP_DETAILS |RETURNED_R& -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- select sql_text from syscs_diag.transaction_table where status != 'IDLE' |PROJECT-FILTER |2; |0 select sql_text from syscs_diag.transaction_table where status != 'IDLE' |PROJECTION |3; |0 select sql_text from syscs_diag.transaction_table where status != 'IDLE' |VTI |org.apache.derby.diag.TransactionTable, (1) |0 ij> select count(*) from stats.sysxplain_scan_props; 1 ----------- 0 ij> select count(*) from stats.sysxplain_sort_props; 1 ----------- 0 ij>