文件操作 - joininfo.h
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文件: /usr/include/pgsql/server/optimizer/joininfo.h
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/*------------------------------------------------------------------------- * * joininfo.h * prototypes for joininfo.c. * * * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/optimizer/joininfo.h * *------------------------------------------------------------------------- */ #ifndef JOININFO_H #define JOININFO_H #include "nodes/relation.h" extern bool have_relevant_joinclause(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2); extern void add_join_clause_to_rels(PlannerInfo *root, RestrictInfo *restrictinfo, Relids join_relids); extern void remove_join_clause_from_rels(PlannerInfo *root, RestrictInfo *restrictinfo, Relids join_relids); #endif /* JOININFO_H */
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