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libpq_test
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optimizer
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subselect.h

subselect.h 1.7 KB
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  1. /*-------------------------------------------------------------------------
    2. 

  2.  *
    3. 

  3.  * subselect.h
    4. 

  4.  *
    5. 

  5.  * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
    6. 

  6.  * Portions Copyright (c) 1994, Regents of the University of California
    7. 

  7.  *
    8. 

  8.  * src/include/optimizer/subselect.h
    9. 

  9.  *
    10. 

  10.  *-------------------------------------------------------------------------
    11. 

  11.  */
    12. 

  12. #ifndef SUBSELECT_H
    13. 

  13. #define SUBSELECT_H
    14. 

  14. 

  15. #include "nodes/plannodes.h"
    16. 

  16. #include "nodes/relation.h"
    17. 

  17. 

  18. extern void SS_process_ctes(PlannerInfo *root);
    19. 

  19. extern JoinExpr *convert_ANY_sublink_to_join(PlannerInfo *root,
    20. 

  20. 							SubLink *sublink,
    21. 

  21. 							Relids available_rels);
    22. 

  22. extern JoinExpr *convert_EXISTS_sublink_to_join(PlannerInfo *root,
    23. 

  23. 							   SubLink *sublink,
    24. 

  24. 							   bool under_not,
    25. 

  25. 							   Relids available_rels);
    26. 

  26. extern Node *SS_replace_correlation_vars(PlannerInfo *root, Node *expr);
    27. 

  27. extern Node *SS_process_sublinks(PlannerInfo *root, Node *expr, bool isQual);
    28. 

  28. extern void SS_identify_outer_params(PlannerInfo *root);
    29. 

  29. extern void SS_charge_for_initplans(PlannerInfo *root, RelOptInfo *final_rel);
    30. 

  30. extern void SS_attach_initplans(PlannerInfo *root, Plan *plan);
    31. 

  31. extern void SS_finalize_plan(PlannerInfo *root, Plan *plan);
    32. 

  32. extern Param *SS_make_initplan_output_param(PlannerInfo *root,
    33. 

  33. 							  Oid resulttype, int32 resulttypmod,
    34. 

  34. 							  Oid resultcollation);
    35. 

  35. extern void SS_make_initplan_from_plan(PlannerInfo *root,
    36. 

  36. 						   PlannerInfo *subroot, Plan *plan,
    37. 

  37. 						   Param *prm);
    38. 

  38. extern Param *assign_nestloop_param_var(PlannerInfo *root, Var *var);
    39. 

  39. extern Param *assign_nestloop_param_placeholdervar(PlannerInfo *root,
    40. 

  40. 									 PlaceHolderVar *phv);
    41. 

  41. extern int	SS_assign_special_param(PlannerInfo *root);
    42. 

  42. 

  43. #endif   /* SUBSELECT_H */
    44.