forked from huawei/openGauss-server
60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
/*-------------------------------------------------------------------------
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*
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* deparse_single.cpp
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* Query deparser for gc_fdw
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*
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* IDENTIFICATION
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* contrib/gc_fdw/deparse_single.cpp
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include "knl/knl_variable.h"
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#include "gc_fdw.h"
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#include "access/heapam.h"
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#include "access/htup.h"
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#include "access/sysattr.h"
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#include "catalog/pg_aggregate.h"
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#include "catalog/pg_collation.h"
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#include "catalog/pg_namespace.h"
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#include "catalog/pg_operator.h"
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#include "catalog/pg_proc.h"
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#include "catalog/pg_type.h"
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#include "commands/defrem.h"
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#include "nodes/makefuncs.h"
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#include "nodes/nodeFuncs.h"
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#include "nodes/plannodes.h"
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#include "optimizer/clauses.h"
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#include "optimizer/prep.h"
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#include "optimizer/tlist.h"
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#include "optimizer/var.h"
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#include "parser/parsetree.h"
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#include "utils/builtins.h"
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#include "utils/lsyscache.h"
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#include "utils/rel.h"
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#include "utils/syscache.h"
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#include "utils/typcache.h"
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/*
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* the string list of the targetlist of ForeignScan is used in explain command when agg
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* is deparsed to remote sql.
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*/
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List* get_str_targetlist(List* fdw_private)
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{
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List* str_targetlist = (List*)list_nth(fdw_private, FdwScanPrivateStrTargetlist);
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List* rs = NIL;
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ListCell* lc = NULL;
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foreach (lc, str_targetlist) {
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Value* val = (Value*)lfirst(lc);
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rs = lappend(rs, val->val.str);
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}
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return rs;
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}
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