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unknown authored
sql/sp.cc: Added DBUG statements. sql/sp_head.cc: Added DBUG statements. sql/sql_parse.cc: Changed returns into DBUG_RETURNs in mysql_execute_command(). sql/sql_yacc.yy: Small optimization: Don't generate sp_instr_stmt instructions for empty SET_OPTIONs. (Which happened if there were only local variables in the SET statement.)
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