LCOV - code coverage report
Current view: top level - src/include/utils - partcache.h (source / functions) Hit Total Coverage
Test: PostgreSQL 18devel Lines: 14 14 100.0 %
Date: 2024-11-21 08:14:44 Functions: 7 7 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*-------------------------------------------------------------------------
       2             :  *
       3             :  * partcache.h
       4             :  *
       5             :  * Copyright (c) 1996-2024, PostgreSQL Global Development Group
       6             :  *
       7             :  * src/include/utils/partcache.h
       8             :  *
       9             :  *-------------------------------------------------------------------------
      10             :  */
      11             : #ifndef PARTCACHE_H
      12             : #define PARTCACHE_H
      13             : 
      14             : #include "access/attnum.h"
      15             : #include "fmgr.h"
      16             : #include "nodes/parsenodes.h"
      17             : #include "nodes/pg_list.h"
      18             : #include "nodes/primnodes.h"
      19             : #include "partitioning/partdefs.h"
      20             : #include "utils/relcache.h"
      21             : 
      22             : /*
      23             :  * Information about the partition key of a relation
      24             :  */
      25             : typedef struct PartitionKeyData
      26             : {
      27             :     PartitionStrategy strategy; /* partitioning strategy */
      28             :     int16       partnatts;      /* number of columns in the partition key */
      29             :     AttrNumber *partattrs;      /* attribute numbers of columns in the
      30             :                                  * partition key or 0 if it's an expr */
      31             :     List       *partexprs;      /* list of expressions in the partitioning
      32             :                                  * key, one for each zero-valued partattrs */
      33             : 
      34             :     Oid        *partopfamily;   /* OIDs of operator families */
      35             :     Oid        *partopcintype;  /* OIDs of opclass declared input data types */
      36             :     FmgrInfo   *partsupfunc;    /* lookup info for support funcs */
      37             : 
      38             :     /* Partitioning collation per attribute */
      39             :     Oid        *partcollation;
      40             : 
      41             :     /* Type information per attribute */
      42             :     Oid        *parttypid;
      43             :     int32      *parttypmod;
      44             :     int16      *parttyplen;
      45             :     bool       *parttypbyval;
      46             :     char       *parttypalign;
      47             :     Oid        *parttypcoll;
      48             : }           PartitionKeyData;
      49             : 
      50             : 
      51             : extern PartitionKey RelationGetPartitionKey(Relation rel);
      52             : extern List *RelationGetPartitionQual(Relation rel);
      53             : extern Expr *get_partition_qual_relid(Oid relid);
      54             : 
      55             : /*
      56             :  * PartitionKey inquiry functions
      57             :  */
      58             : static inline int
      59        9886 : get_partition_strategy(PartitionKey key)
      60             : {
      61        9886 :     return key->strategy;
      62             : }
      63             : 
      64             : static inline int
      65       12318 : get_partition_natts(PartitionKey key)
      66             : {
      67       12318 :     return key->partnatts;
      68             : }
      69             : 
      70             : static inline List *
      71       19834 : get_partition_exprs(PartitionKey key)
      72             : {
      73       19834 :     return key->partexprs;
      74             : }
      75             : 
      76             : /*
      77             :  * PartitionKey inquiry functions - one column
      78             :  */
      79             : static inline int16
      80        2454 : get_partition_col_attnum(PartitionKey key, int col)
      81             : {
      82        2454 :     return key->partattrs[col];
      83             : }
      84             : 
      85             : static inline Oid
      86       13744 : get_partition_col_typid(PartitionKey key, int col)
      87             : {
      88       13744 :     return key->parttypid[col];
      89             : }
      90             : 
      91             : static inline int32
      92       13578 : get_partition_col_typmod(PartitionKey key, int col)
      93             : {
      94       13578 :     return key->parttypmod[col];
      95             : }
      96             : 
      97             : static inline Oid
      98       13578 : get_partition_col_collation(PartitionKey key, int col)
      99             : {
     100       13578 :     return key->partcollation[col];
     101             : }
     102             : 
     103             : #endif                          /* PARTCACHE_H */

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