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Refactor code creating PartitionBoundInfo

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The code building PartitionBoundInfo based on the constituent partition
data read from catalogs has been located in partcache.c, with a specific
set of routines dedicated to bound types, like sorting or bound data
creation.  All this logic is moved to partbounds.c and relocates all the
bound-specific logistic into it, with partition_bounds_create() as
principal entry point.

Author: Amit Langote
Reviewed-by: Michael Paquier, Álvaro Herrera
Discussion: https://postgr.es/m/3f289da8-6d10-75fe-814a-635e8b191d43@lab.ntt.co.jp
This commit is contained in:
Michael Paquier
2018-11-14 10:01:49 +09:00
parent 9079fe60b2
commit b52b7dc250
3 changed files with 665 additions and 553 deletions
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44
src/include/partitioning/partbounds.h
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@ -75,40 +75,14 @@ typedef struct PartitionBoundInfoData
#define partition_bound_accepts_nulls(bi) ((bi)->null_index != -1)
#define partition_bound_has_default(bi) ((bi)->default_index != -1)
/*
* When qsort'ing partition bounds after reading from the catalog, each bound
* is represented with one of the following structs.
*/
/* One bound of a hash partition */
typedef struct PartitionHashBound
{
int modulus;
int remainder;
int index;
} PartitionHashBound;
/* One value coming from some (index'th) list partition */
typedef struct PartitionListValue
{
int index;
Datum value;
} PartitionListValue;
/* One bound of a range partition */
typedef struct PartitionRangeBound
{
int index;
Datum *datums; /* range bound datums */
PartitionRangeDatumKind *kind; /* the kind of each datum */
bool lower; /* this is the lower (vs upper) bound */
} PartitionRangeBound;
extern int get_hash_partition_greatest_modulus(PartitionBoundInfo b);
extern uint64 compute_partition_hash_value(int partnatts, FmgrInfo *partsupfunc,
Datum *values, bool *isnull);
extern List *get_qual_from_partbound(Relation rel, Relation parent,
PartitionBoundSpec *spec);
extern PartitionBoundInfo partition_bounds_create(List *boundspecs,
PartitionKey key,
int **mapping);
extern bool partition_bounds_equal(int partnatts, int16 *parttyplen,
bool *parttypbyval, PartitionBoundInfo b1,
PartitionBoundInfo b2);
@ -120,14 +94,6 @@ extern void check_default_partition_contents(Relation parent,
Relation defaultRel,
PartitionBoundSpec *new_spec);
extern PartitionRangeBound *make_one_partition_rbound(PartitionKey key, int index,
List *datums, bool lower);
extern int32 partition_hbound_cmp(int modulus1, int remainder1, int modulus2,
int remainder2);
extern int32 partition_rbound_cmp(int partnatts, FmgrInfo *partsupfunc,
Oid *partcollation, Datum *datums1,
PartitionRangeDatumKind *kind1, bool lower1,
PartitionRangeBound *b2);
extern int32 partition_rbound_datum_cmp(FmgrInfo *partsupfunc,
Oid *partcollation,
Datum *rb_datums, PartitionRangeDatumKind *rb_kind,
@ -136,10 +102,6 @@ extern int partition_list_bsearch(FmgrInfo *partsupfunc,
Oid *partcollation,
PartitionBoundInfo boundinfo,
Datum value, bool *is_equal);
extern int partition_range_bsearch(int partnatts, FmgrInfo *partsupfunc,
Oid *partcollation,
PartitionBoundInfo boundinfo,
PartitionRangeBound *probe, bool *is_equal);
extern int partition_range_datum_bsearch(FmgrInfo *partsupfunc,
Oid *partcollation,
PartitionBoundInfo boundinfo,