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We used to strategically place newlines after some function call left parentheses to make pgindent move the argument list a few chars to the left, so that the whole line would fit under 80 chars. However, pgindent no longer does that, so the newlines just made the code vertically longer for no reason. Remove those newlines, and reflow some of those lines for some extra naturality. Reviewed-by: Michael Paquier, Tom Lane Discussion: https://postgr.es/m/20200129200401.GA6303@alvherre.pgsql
218 lines
4.9 KiB
C
218 lines
4.9 KiB
C
/*
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* contrib/btree_gist/btree_int8.c
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*/
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#include "postgres.h"
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#include "btree_gist.h"
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#include "btree_utils_num.h"
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#include "common/int.h"
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typedef struct int64key
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{
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int64 lower;
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int64 upper;
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} int64KEY;
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/*
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** int64 ops
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*/
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PG_FUNCTION_INFO_V1(gbt_int8_compress);
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PG_FUNCTION_INFO_V1(gbt_int8_fetch);
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PG_FUNCTION_INFO_V1(gbt_int8_union);
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PG_FUNCTION_INFO_V1(gbt_int8_picksplit);
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PG_FUNCTION_INFO_V1(gbt_int8_consistent);
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PG_FUNCTION_INFO_V1(gbt_int8_distance);
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PG_FUNCTION_INFO_V1(gbt_int8_penalty);
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PG_FUNCTION_INFO_V1(gbt_int8_same);
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static bool
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gbt_int8gt(const void *a, const void *b, FmgrInfo *flinfo)
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{
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return (*((const int64 *) a) > *((const int64 *) b));
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}
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static bool
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gbt_int8ge(const void *a, const void *b, FmgrInfo *flinfo)
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{
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return (*((const int64 *) a) >= *((const int64 *) b));
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}
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static bool
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gbt_int8eq(const void *a, const void *b, FmgrInfo *flinfo)
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{
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return (*((const int64 *) a) == *((const int64 *) b));
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}
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static bool
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gbt_int8le(const void *a, const void *b, FmgrInfo *flinfo)
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{
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return (*((const int64 *) a) <= *((const int64 *) b));
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}
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static bool
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gbt_int8lt(const void *a, const void *b, FmgrInfo *flinfo)
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{
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return (*((const int64 *) a) < *((const int64 *) b));
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}
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static int
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gbt_int8key_cmp(const void *a, const void *b, FmgrInfo *flinfo)
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{
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int64KEY *ia = (int64KEY *) (((const Nsrt *) a)->t);
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int64KEY *ib = (int64KEY *) (((const Nsrt *) b)->t);
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if (ia->lower == ib->lower)
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{
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if (ia->upper == ib->upper)
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return 0;
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return (ia->upper > ib->upper) ? 1 : -1;
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}
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return (ia->lower > ib->lower) ? 1 : -1;
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}
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static float8
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gbt_int8_dist(const void *a, const void *b, FmgrInfo *flinfo)
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{
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return GET_FLOAT_DISTANCE(int64, a, b);
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}
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static const gbtree_ninfo tinfo =
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{
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gbt_t_int8,
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sizeof(int64),
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16, /* sizeof(gbtreekey16) */
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gbt_int8gt,
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gbt_int8ge,
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gbt_int8eq,
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gbt_int8le,
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gbt_int8lt,
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gbt_int8key_cmp,
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gbt_int8_dist
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};
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PG_FUNCTION_INFO_V1(int8_dist);
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Datum
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int8_dist(PG_FUNCTION_ARGS)
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{
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int64 a = PG_GETARG_INT64(0);
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int64 b = PG_GETARG_INT64(1);
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int64 r;
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int64 ra;
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if (pg_sub_s64_overflow(a, b, &r) ||
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r == PG_INT64_MIN)
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ereport(ERROR,
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(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
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errmsg("bigint out of range")));
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ra = Abs(r);
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PG_RETURN_INT64(ra);
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}
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/**************************************************
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* int64 ops
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**************************************************/
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Datum
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gbt_int8_compress(PG_FUNCTION_ARGS)
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{
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GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
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PG_RETURN_POINTER(gbt_num_compress(entry, &tinfo));
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}
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Datum
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gbt_int8_fetch(PG_FUNCTION_ARGS)
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{
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GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
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PG_RETURN_POINTER(gbt_num_fetch(entry, &tinfo));
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}
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Datum
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gbt_int8_consistent(PG_FUNCTION_ARGS)
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{
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GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
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int64 query = PG_GETARG_INT64(1);
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StrategyNumber strategy = (StrategyNumber) PG_GETARG_UINT16(2);
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/* Oid subtype = PG_GETARG_OID(3); */
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bool *recheck = (bool *) PG_GETARG_POINTER(4);
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int64KEY *kkk = (int64KEY *) DatumGetPointer(entry->key);
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GBT_NUMKEY_R key;
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/* All cases served by this function are exact */
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*recheck = false;
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key.lower = (GBT_NUMKEY *) &kkk->lower;
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key.upper = (GBT_NUMKEY *) &kkk->upper;
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PG_RETURN_BOOL(gbt_num_consistent(&key, (void *) &query, &strategy,
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GIST_LEAF(entry), &tinfo, fcinfo->flinfo));
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}
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Datum
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gbt_int8_distance(PG_FUNCTION_ARGS)
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{
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GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
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int64 query = PG_GETARG_INT64(1);
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/* Oid subtype = PG_GETARG_OID(3); */
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int64KEY *kkk = (int64KEY *) DatumGetPointer(entry->key);
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GBT_NUMKEY_R key;
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key.lower = (GBT_NUMKEY *) &kkk->lower;
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key.upper = (GBT_NUMKEY *) &kkk->upper;
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PG_RETURN_FLOAT8(gbt_num_distance(&key, (void *) &query, GIST_LEAF(entry),
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&tinfo, fcinfo->flinfo));
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}
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Datum
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gbt_int8_union(PG_FUNCTION_ARGS)
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{
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GistEntryVector *entryvec = (GistEntryVector *) PG_GETARG_POINTER(0);
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void *out = palloc(sizeof(int64KEY));
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*(int *) PG_GETARG_POINTER(1) = sizeof(int64KEY);
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PG_RETURN_POINTER(gbt_num_union((void *) out, entryvec, &tinfo, fcinfo->flinfo));
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}
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Datum
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gbt_int8_penalty(PG_FUNCTION_ARGS)
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{
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int64KEY *origentry = (int64KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(0))->key);
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int64KEY *newentry = (int64KEY *) DatumGetPointer(((GISTENTRY *) PG_GETARG_POINTER(1))->key);
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float *result = (float *) PG_GETARG_POINTER(2);
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penalty_num(result, origentry->lower, origentry->upper, newentry->lower, newentry->upper);
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PG_RETURN_POINTER(result);
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}
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Datum
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gbt_int8_picksplit(PG_FUNCTION_ARGS)
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{
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PG_RETURN_POINTER(gbt_num_picksplit((GistEntryVector *) PG_GETARG_POINTER(0),
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(GIST_SPLITVEC *) PG_GETARG_POINTER(1),
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&tinfo, fcinfo->flinfo));
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}
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Datum
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gbt_int8_same(PG_FUNCTION_ARGS)
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{
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int64KEY *b1 = (int64KEY *) PG_GETARG_POINTER(0);
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int64KEY *b2 = (int64KEY *) PG_GETARG_POINTER(1);
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bool *result = (bool *) PG_GETARG_POINTER(2);
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*result = gbt_num_same((void *) b1, (void *) b2, &tinfo, fcinfo->flinfo);
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PG_RETURN_POINTER(result);
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}
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