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-rw-r--r--src/include/optimizer/subselect.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/include/optimizer/subselect.h b/src/include/optimizer/subselect.h
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index 00000000000..64f9851909e
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+++ b/src/include/optimizer/subselect.h
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+/*-------------------------------------------------------------------------
+ *
+ * subselect.h--
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef SUBSELECT_H
+#define SUBSELECT_H
+
+extern int PlannerQueryLevel; /* level of current query */
+extern List *PlannerVarParam; /* correlation Vars to Param mapper */
+extern List *PlannerParamVar; /* to get Var from Param->paramid */
+extern List *PlannerInitPlan; /* init subplans for current query */
+extern int PlannerPlanId; /* to assigne unique ID to subquery plans */
+
+extern List *SS_finalize_plan (Plan *plan);
+extern Node *SS_replace_correlation_vars (Node *expr);
+extern Node *SS_process_sublinks (Node *expr);
+
+#endif /* SUBSELECT_H */