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44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/*-------------------------------------------------------------------------
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*
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* explain.h
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* prototypes for explain.c
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*
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* Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994-5, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/include/commands/explain.h,v 1.32 2007/07/25 12:22:53 mha Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef EXPLAIN_H
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#define EXPLAIN_H
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#include "executor/executor.h"
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/* Hook for plugins to get control in ExplainOneQuery() */
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typedef void (*ExplainOneQuery_hook_type) (Query *query,
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ExplainStmt *stmt,
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const char *queryString,
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ParamListInfo params,
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TupOutputState *tstate);
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extern PGDLLIMPORT ExplainOneQuery_hook_type ExplainOneQuery_hook;
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/* Hook for plugins to get control in explain_get_index_name() */
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typedef const char * (*explain_get_index_name_hook_type) (Oid indexId);
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extern PGDLLIMPORT explain_get_index_name_hook_type explain_get_index_name_hook;
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extern void ExplainQuery(ExplainStmt *stmt, const char *queryString,
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ParamListInfo params, DestReceiver *dest);
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extern TupleDesc ExplainResultDesc(ExplainStmt *stmt);
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extern void ExplainOneUtility(Node *utilityStmt, ExplainStmt *stmt,
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const char *queryString,
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ParamListInfo params,
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TupOutputState *tstate);
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extern void ExplainOnePlan(PlannedStmt *plannedstmt, ParamListInfo params,
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ExplainStmt *stmt, TupOutputState *tstate);
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#endif /* EXPLAIN_H */
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