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################################################################################ # inc/partition_check_read1.inc # # # # Purpose: # # Read rows from table t1 in different ways # # This routine is only useful for the partition_<feature>_<engine> tests. # # # # The parameter # # @exp_row_count -- expected number of rows within t1 # # must be set before sourcing this routine. # # # #------------------------------------------------------------------------------# # Original Author: mleich # # Original Date: 2006-04-11 # # Change Author: # # Change Date: # # Change: # ################################################################################ -- disable_query_log -- disable_result_log ANALYZE TABLE t1; -- enable_result_log -- enable_query_log ## EXPLAIN PARTITIONS SELECT for one single row EXPLAIN PARTITIONS SELECT COUNT(*) FROM t1 WHERE f_date = '1000-02-10'; ## Check SELECT for one single row let $success= 1; if ($no_debug) { --disable_query_log } SELECT COUNT(*) <> 1 INTO @aux FROM t1 WHERE f_date = '1000-02-10'; --enable_query_log let $run= `SELECT @aux`; if ($run) { --echo # Unexpected result on SELECT eval SELECT COUNT(*) <> 1 FROM t1 WHERE f_date = '1000-02-10'; let $success= 0; } --echo # check read single success: $success ## Read all existing records in one step let $success= 1; if ($no_debug) { --disable_query_log } eval SELECT COUNT(*) <> @exp_row_count INTO @aux FROM t1; --enable_query_log let $run= `SELECT @aux`; if ($run) { --echo # Unexpected result on SELECT eval SELECT COUNT(*) <> @exp_row_count FROM t1; let $success= 0; } --echo # check read all success: $success ## Read all existing records row by row let $success= 1; let $num= `SELECT @exp_row_count`; while ($num) { if ($no_debug) { --disable_query_log } eval SELECT COUNT(*) <> 1 INTO @aux FROM t1 WHERE f_date = CONCAT(CAST(999 + $num AS CHAR),'-02-10'); --enable_query_log let $run= `SELECT @aux`; if ($run) { --echo # Unexpected result on SELECT eval SELECT COUNT(*) <> 1 FROM t1 WHERE f_date = CONCAT(CAST(999 + $num AS CHAR),'-02-10'); let $success= 0; } dec $num; } --echo # check read row by row success: $success