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Add FILLFACTOR to CREATE INDEX.
ITAGAKI Takahiro
This commit is contained in:
Bruce Momjian
@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/parser/parse_clause.c,v 1.149 2006/03/16 00:31:55 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/parser/parse_clause.c,v 1.150 2006/07/02 02:23:21 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -17,6 +17,7 @@
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#include "access/heapam.h"
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#include "catalog/heap.h"
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#include "commands/defrem.h"
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#include "nodes/makefuncs.h"
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#include "optimizer/clauses.h"
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#include "optimizer/tlist.h"
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@ -33,6 +34,7 @@
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#include "rewrite/rewriteManip.h"
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#include "utils/builtins.h"
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#include "utils/guc.h"
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#include "utils/memutils.h"
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#define ORDER_CLAUSE 0
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@ -64,6 +66,8 @@ static Node *buildMergedJoinVar(ParseState *pstate, JoinType jointype,
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Var *l_colvar, Var *r_colvar);
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static TargetEntry *findTargetlistEntry(ParseState *pstate, Node *node,
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List **tlist, int clause);
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static bool OptionMatches(text *t, const char* kw, char **str, Size *len);
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static Datum OptionToText(DefElem *def);
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/*
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@ -212,29 +216,280 @@ interpretInhOption(InhOption inhOpt)
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}
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/*
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* Given an enum that indicates whether WITH / WITHOUT OIDS was
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* Given a List that indicates whether WITH / WITHOUT OIDS was
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* specified by the user, return true iff the specified table/result
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* set should be created with OIDs. This needs to be done after
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* parsing the query string because the return value can depend upon
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* the default_with_oids GUC var.
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*/
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bool
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interpretOidsOption(ContainsOids opt)
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interpretOidsOption(List *options)
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{
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switch (opt)
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ListCell *cell;
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foreach(cell, options)
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{
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case MUST_HAVE_OIDS:
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return true;
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DefElem *def = (DefElem *) lfirst(cell);
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case MUST_NOT_HAVE_OIDS:
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return false;
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case DEFAULT_OIDS:
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return default_with_oids;
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if (pg_strcasecmp(def->defname, "oids") == 0)
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return defGetBoolean(def);
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}
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elog(ERROR, "bogus ContainsOids value: %d", opt);
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return false; /* keep compiler quiet */
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/* oids option is not specified. */
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return default_with_oids;
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}
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/*
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* Test if t is start with 'kw='.
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*/
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static bool
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OptionMatches(text *t, const char* kw, char **str, Size *len)
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{
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char *text_str = (char *) VARATT_DATA(t);
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int text_len = VARATT_SIZE(t) - VARHDRSZ;
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Size kwlen = strlen(kw);
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if (text_len > kwlen && text_str[kwlen] == '=' &&
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pg_strncasecmp(text_str, kw, kwlen) == 0)
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{
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*str = text_str + kwlen + 1;
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*len = text_len - kwlen - 1;
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return true;
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}
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return false;
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}
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/*
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* Flatten a DefElem to a text like as 'defname=arg'.
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*/
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static Datum
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OptionToText(DefElem *def)
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{
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text *t;
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char *value = defGetString(def);
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Size len = VARHDRSZ + strlen(def->defname) + 1 + strlen(value);
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t = palloc(len + 1);
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VARATT_SIZEP(t) = len;
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sprintf((char *) VARATT_DATA(t), "%s=%s", def->defname, value);
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return PointerGetDatum(t);
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}
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/*
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* Merge option array and option list.
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*
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* array Existing option, or NULL if new option.
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* list List of DefElems to be added to array.
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*/
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ArrayType *
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OptionBuild(ArrayType *array, List *list)
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{
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ListCell *cell;
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bool *used;
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int index;
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int o;
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ArrayType *result;
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ArrayBuildState *astate;
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MemoryContext myContext;
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MemoryContext oldContext;
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if (list_length(list) == 0)
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{
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/* no additinal elements, so just clone. */
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if (array == NULL)
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return NULL;
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result = palloc(VARATT_SIZE(array));
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memcpy(result, array, VARATT_SIZE(array));
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return result;
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}
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/* Make a temporary context to hold all the junk */
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myContext = AllocSetContextCreate(CurrentMemoryContext,
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"OptionBuild",
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ALLOCSET_DEFAULT_MINSIZE,
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ALLOCSET_DEFAULT_INITSIZE,
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ALLOCSET_DEFAULT_MAXSIZE);
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oldContext = MemoryContextSwitchTo(myContext);
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astate = NULL;
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used = (bool *) palloc0(sizeof(bool) * list_length(list));
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if (array)
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{
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Assert(ARR_ELEMTYPE(array) == TEXTOID);
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Assert(ARR_NDIM(array) == 1);
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Assert(ARR_LBOUND(array)[0] == 1);
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for (o = 1; o <= ARR_DIMS(array)[0]; o++)
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{
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bool isnull;
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Datum datum;
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datum = array_ref(array, 1, &o,
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-1 /* varlenarray */ ,
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-1 /* TEXT's typlen */ ,
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false /* TEXT's typbyval */ ,
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'i' /* TEXT's typalign */ ,
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&isnull);
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if (isnull)
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continue;
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index = 0;
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foreach(cell, list)
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{
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DefElem *def = lfirst(cell);
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/*
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* We ignore 'oids' item because it is stored
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* in pg_class.relhasoids.
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*/
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if (!used[index] &&
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pg_strcasecmp(def->defname, "oids") != 0)
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{
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char *value_str;
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Size value_len;
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if (OptionMatches(DatumGetTextP(datum),
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def->defname, &value_str, &value_len))
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{
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used[index] = true;
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if (def->arg)
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{
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/* Replace an existing option. */
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datum = OptionToText(def);
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goto next; /* skip remain items in list */
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}
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else
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{
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/* Remove the option from array. */
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goto skip;
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}
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}
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}
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index++;
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}
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/*
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* The datum is an existing parameter and is not modified.
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* Fall down.
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*/
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next:
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astate = accumArrayResult(astate, datum, false, TEXTOID, myContext);
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skip:
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;
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}
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}
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/*
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* add options not in array
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*/
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index = 0;
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foreach(cell, list)
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{
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DefElem *def = lfirst(cell);
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if (!used[index] && def->arg &&
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pg_strcasecmp(def->defname, "oids") != 0)
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{
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astate = accumArrayResult(astate, OptionToText(def),
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false, TEXTOID, myContext);
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}
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index++;
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}
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if (astate)
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result = DatumGetArrayTypeP(makeArrayResult(astate, oldContext));
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else
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result = NULL;
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MemoryContextSwitchTo(oldContext);
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MemoryContextDelete(myContext);
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return result;
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}
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/*
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* Support routine to parse options.
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*
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* options List of DefElems
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* num length of kwds
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* kwds supported keywords
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* strict Throw error if unsupported option is found.
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*
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* FIXME: memory is leaked in kwds[].arg.
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*/
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void
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OptionParse(ArrayType *options, Size num, DefElem kwds[], bool strict)
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{
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Size k;
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int o;
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for (k = 0; k < num; k++)
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{
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Assert(kwds[k].defname);
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kwds[k].arg = NULL;
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}
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if (options == NULL)
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return; /* use default for all */
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Assert(ARR_ELEMTYPE(options) == TEXTOID);
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Assert(ARR_NDIM(options) == 1);
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Assert(ARR_LBOUND(options)[0] == 1);
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for (o = 1; o <= ARR_DIMS(options)[0]; o++)
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{
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bool isnull;
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Datum datum;
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datum = array_ref(options, 1, &o,
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-1 /* varlenarray */ ,
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-1 /* TEXT's typlen */ ,
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false /* TEXT's typbyval */ ,
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'i' /* TEXT's typalign */ ,
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&isnull);
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if (isnull)
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continue;
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for (k = 0; k < num; k++)
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{
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char *value_str;
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Size value_len;
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if (OptionMatches(DatumGetTextP(datum),
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kwds[k].defname, &value_str, &value_len))
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{
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char *value;
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if (kwds[k].arg != NULL)
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
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errmsg("duplicated parameter %s",
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kwds[k].defname)));
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/* copy value as Value node */
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value = (char *) palloc(value_len + 1);
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strncpy(value, value_str, value_len);
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value[value_len] = '\0';
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kwds[k].arg = (Node *) makeString(value);
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goto next; /* skip remain keywords */
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}
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}
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/* parameter is not in kwds */
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if (strict)
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{
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char *c = DatumGetCString(DirectFunctionCall1(textout, datum));
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ereport(ERROR,
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(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
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errmsg("unsupported parameter %s", c)));
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}
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next:;
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}
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}
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/*
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