/
pgroonga.c
3826 lines (3341 loc) · 88 KB
/
pgroonga.c
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#include "pgroonga.h"
#include <access/reloptions.h>
#include <access/relscan.h>
#include <catalog/catalog.h>
#include <catalog/index.h>
#include <catalog/pg_tablespace.h>
#include <catalog/pg_type.h>
#include <lib/ilist.h>
#include <mb/pg_wchar.h>
#include <miscadmin.h>
#include <optimizer/cost.h>
#include <storage/bufmgr.h>
#include <storage/ipc.h>
#include <storage/lmgr.h>
#include <utils/array.h>
#include <utils/builtins.h>
#include <utils/guc.h>
#include <utils/lsyscache.h>
#include <utils/selfuncs.h>
#include <utils/snapmgr.h>
#include <utils/syscache.h>
#include <utils/timestamp.h>
#include <utils/tqual.h>
#include <utils/typcache.h>
#ifdef JSONBOID
# include <utils/jsonb.h>
#endif
#include <groonga.h>
#include <stdlib.h>
#include <math.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifndef WIN32
# include <unistd.h>
#endif
#ifdef WIN32
typedef struct _stat pgrn_stat_buffer;
# define pgrn_stat(path, buffer) _stat(path, buffer)
#else
typedef struct stat pgrn_stat_buffer;
# define pgrn_stat(path, buffer) stat(path, buffer)
#endif
#define VARCHARARRAYOID 1015
PG_MODULE_MAGIC;
static bool PGrnIsLZ4Available;
static relopt_kind PGrnReloptionKind;
static int PGrnLogType;
enum PGrnLogType {
PGRN_LOG_TYPE_FILE,
PGRN_LOG_TYPE_WINDOWS_EVENT_LOG,
PGRN_LOG_TYPE_POSTGRESQL
};
static struct config_enum_entry PGrnLogTypeEntries[] = {
{"file", PGRN_LOG_TYPE_FILE, false},
{"windows_event_log", PGRN_LOG_TYPE_WINDOWS_EVENT_LOG, false},
{"postgresql", PGRN_LOG_TYPE_POSTGRESQL, false},
{NULL, PGRN_LOG_TYPE_FILE, false}
};
static char *PGrnLogPath;
static int PGrnLogLevel;
static struct config_enum_entry PGrnLogLevelEntries[] = {
{"none", GRN_LOG_NONE, false},
{"emergency", GRN_LOG_EMERG, false},
{"alert", GRN_LOG_ALERT, false},
{"critical", GRN_LOG_CRIT, false},
{"error", GRN_LOG_ERROR, false},
{"warning", GRN_LOG_WARNING, false},
{"notice", GRN_LOG_NOTICE, false},
{"info", GRN_LOG_INFO, false},
{"debug", GRN_LOG_DEBUG, false},
{"dump", GRN_LOG_DUMP, false},
{NULL, GRN_LOG_NONE, false}
};
static int PGrnLockTimeout;
typedef struct PGrnOptions
{
int32 vl_len_;
int tokenizerOffset;
int normalizerOffset;
} PGrnOptions;
typedef struct PGrnCreateData
{
Relation index;
grn_obj *sourcesTable;
grn_obj *sourcesCtidColumn;
grn_obj *jsonPathsTable;
grn_obj *jsonValuesTable;
grn_obj *supplementaryTables;
grn_obj *lexicons;
unsigned int i;
TupleDesc desc;
Oid relNode;
bool forFullTextSearch;
grn_id attributeTypeID;
unsigned char attributeFlags;
} PGrnCreateData;
typedef struct PGrnBuildStateData
{
grn_obj *sourcesTable;
grn_obj *sourcesCtidColumn;
double nIndexedTuples;
} PGrnBuildStateData;
typedef PGrnBuildStateData *PGrnBuildState;
typedef struct PGrnScanOpaqueData
{
slist_node node;
Oid dataTableID;
struct
{
AttrNumber number;
Oid type;
grn_id domain;
unsigned char flags;
grn_obj *lexicon;
grn_obj *indexColumn;
} primaryKey;
grn_obj *sourcesTable;
grn_obj *sourcesCtidColumn;
grn_obj minBorderValue;
grn_obj maxBorderValue;
grn_obj *searched;
grn_obj *sorted;
grn_obj *targetTable;
grn_obj *indexCursor;
grn_table_cursor *tableCursor;
grn_obj *ctidAccessor;
grn_obj *scoreAccessor;
grn_id currentID;
} PGrnScanOpaqueData;
typedef PGrnScanOpaqueData *PGrnScanOpaque;
typedef struct PGrnSearchData
{
grn_obj targetColumns;
grn_obj matchTargets;
grn_obj sectionID;
grn_obj *expression;
grn_obj *expressionVariable;
bool isEmptyCondition;
} PGrnSearchData;
static slist_head PGrnScanOpaques = SLIST_STATIC_INIT(PGrnScanOpaques);
PG_FUNCTION_INFO_V1(pgroonga_score);
PG_FUNCTION_INFO_V1(pgroonga_table_name);
PG_FUNCTION_INFO_V1(pgroonga_command);
PG_FUNCTION_INFO_V1(pgroonga_snippet_html);
PG_FUNCTION_INFO_V1(pgroonga_contain_text);
PG_FUNCTION_INFO_V1(pgroonga_contain_text_array);
PG_FUNCTION_INFO_V1(pgroonga_contain_varchar);
PG_FUNCTION_INFO_V1(pgroonga_contain_varchar_array);
PG_FUNCTION_INFO_V1(pgroonga_match);
PG_FUNCTION_INFO_V1(pgroonga_insert);
PG_FUNCTION_INFO_V1(pgroonga_beginscan);
PG_FUNCTION_INFO_V1(pgroonga_gettuple);
PG_FUNCTION_INFO_V1(pgroonga_getbitmap);
PG_FUNCTION_INFO_V1(pgroonga_rescan);
PG_FUNCTION_INFO_V1(pgroonga_endscan);
PG_FUNCTION_INFO_V1(pgroonga_build);
PG_FUNCTION_INFO_V1(pgroonga_buildempty);
PG_FUNCTION_INFO_V1(pgroonga_bulkdelete);
PG_FUNCTION_INFO_V1(pgroonga_vacuumcleanup);
PG_FUNCTION_INFO_V1(pgroonga_costestimate);
PG_FUNCTION_INFO_V1(pgroonga_options);
static grn_ctx grnContext;
static grn_ctx *ctx = &grnContext;
static grn_obj buffer;
static grn_obj ctidBuffer;
static grn_obj scoreBuffer;
static grn_obj headBuffer;
static grn_obj bodyBuffer;
static grn_obj footBuffer;
static grn_obj inspectBuffer;
static const char *
PGrnInspect(grn_obj *object)
{
GRN_BULK_REWIND(&inspectBuffer);
grn_inspect(ctx, &inspectBuffer, object);
GRN_TEXT_PUTC(ctx, &inspectBuffer, '\0');
return GRN_TEXT_VALUE(&inspectBuffer);
}
static grn_encoding
PGrnGetEncoding(void)
{
int enc = GetDatabaseEncoding();
switch (enc)
{
case PG_SQL_ASCII:
case PG_UTF8:
return GRN_ENC_UTF8;
case PG_EUC_JP:
case PG_EUC_JIS_2004:
return GRN_ENC_EUC_JP;
case PG_LATIN1:
return GRN_ENC_LATIN1;
case PG_KOI8R:
return GRN_ENC_KOI8R;
case PG_SJIS:
case PG_SHIFT_JIS_2004:
return GRN_ENC_SJIS;
default:
elog(WARNING,
"pgroonga: use default encoding instead of '%s'",
GetDatabaseEncodingName());
return GRN_ENC_DEFAULT;
}
}
static void
PGrnPostgreSQLLoggerLog(grn_ctx *ctx, grn_log_level level,
const char *timestamp, const char *title,
const char *message, const char *location,
void *user_data)
{
const char levelMarks[] = " EACewnid-";
if (location && location[0])
{
ereport(LOG,
(errmsg("pgroonga:log: %s|%c|%s %s %s",
timestamp, levelMarks[level], title,
message, location)));
}
else
{
ereport(LOG,
(errmsg("pgroonga:log: %s|%c|%s %s",
timestamp, levelMarks[level], title, message)));
}
}
static grn_logger PGrnPostgreSQLLogger = {
GRN_LOG_DEFAULT_LEVEL,
GRN_LOG_TIME | GRN_LOG_MESSAGE,
NULL,
PGrnPostgreSQLLoggerLog,
NULL,
NULL
};
static void
PGrnLogTypeAssign(int new_value, void *extra)
{
switch (new_value) {
case PGRN_LOG_TYPE_WINDOWS_EVENT_LOG:
grn_windows_event_logger_set(ctx, "PGroonga");
break;
case PGRN_LOG_TYPE_POSTGRESQL:
grn_logger_set(ctx, &PGrnPostgreSQLLogger);
break;
default:
grn_logger_set(ctx, NULL);
break;
}
}
static void
PGrnLogPathAssign(const char *new_value, void *extra)
{
if (new_value) {
if (strcmp(new_value, "none") == 0) {
grn_default_logger_set_path(NULL);
} else {
grn_default_logger_set_path(new_value);
}
} else {
grn_default_logger_set_path(PGrnLogBasename);
}
}
static void
PGrnLogLevelAssign(int new_value, void *extra)
{
grn_default_logger_set_max_level(new_value);
}
static void
PGrnLockTimeoutAssign(int new_value, void *extra)
{
grn_set_lock_timeout(new_value);
}
static void
PGrnInitializeVariables(void)
{
DefineCustomEnumVariable("pgroonga.log_type",
"Log type for PGroonga.",
"Available log types: "
"[file, windows_event_log, postgresql]. "
"The default is file.",
&PGrnLogType,
PGRN_LOG_TYPE_FILE,
PGrnLogTypeEntries,
PGC_USERSET,
0,
NULL,
PGrnLogTypeAssign,
NULL);
DefineCustomStringVariable("pgroonga.log_path",
"Log path for PGroonga.",
"The default is "
"\"${PG_DATA}/" PGrnLogBasename "\". "
"Use \"none\" to disable file output.",
&PGrnLogPath,
NULL,
PGC_USERSET,
0,
NULL,
PGrnLogPathAssign,
NULL);
DefineCustomEnumVariable("pgroonga.log_level",
"Log level for PGroonga.",
"Available log levels: "
"[none, emergency, alert, critical, "
"error, warning, notice, info, debug, dump]. "
"The default is notice.",
&PGrnLogLevel,
GRN_LOG_DEFAULT_LEVEL,
PGrnLogLevelEntries,
PGC_USERSET,
0,
NULL,
PGrnLogLevelAssign,
NULL);
DefineCustomIntVariable("pgroonga.lock_timeout",
"Try pgroonga.lock_timeout times "
"at 1 msec intervals to "
"get write lock in PGroonga.",
"The default is 10000000. "
"It means that PGroonga tries to get write lock "
"between about 2.7 hours.",
&PGrnLockTimeout,
grn_get_lock_timeout(),
0,
INT_MAX,
PGC_USERSET,
0,
NULL,
PGrnLockTimeoutAssign,
NULL);
EmitWarningsOnPlaceholders("pgroonga");
}
static void
PGrnEnsureDatabase(void)
{
char *databasePath;
char path[MAXPGPATH];
grn_obj *db;
pgrn_stat_buffer file_status;
GRN_CTX_SET_ENCODING(ctx, PGrnGetEncoding());
databasePath = GetDatabasePath(MyDatabaseId, DEFAULTTABLESPACE_OID);
join_path_components(path,
databasePath,
PGrnDatabaseBasename);
pfree(databasePath);
if (pgrn_stat(path, &file_status) == 0)
{
db = grn_db_open(ctx, path);
if (!db)
ereport(ERROR,
(errcode(ERRCODE_IO_ERROR),
errmsg("pgroonga: failed to open database: <%s>: %s",
path, ctx->errbuf)));
}
else
{
db = grn_db_create(ctx, path, NULL);
if (!db)
ereport(ERROR,
(errcode(ERRCODE_IO_ERROR),
errmsg("pgroonga: failed to create database: <%s>: %s",
path, ctx->errbuf)));
}
}
static void
PGrnOnProcExit(int code, Datum arg)
{
grn_obj *db;
GRN_OBJ_FIN(ctx, &inspectBuffer);
GRN_OBJ_FIN(ctx, &footBuffer);
GRN_OBJ_FIN(ctx, &bodyBuffer);
GRN_OBJ_FIN(ctx, &headBuffer);
GRN_OBJ_FIN(ctx, &ctidBuffer);
GRN_OBJ_FIN(ctx, &scoreBuffer);
GRN_OBJ_FIN(ctx, &buffer);
db = grn_ctx_db(ctx);
if (db)
grn_obj_close(ctx, db);
grn_ctx_fin(ctx);
grn_fin();
}
static void
PGrnInitializeGroongaInformation(void)
{
grn_obj grnIsSupported;
GRN_BOOL_INIT(&grnIsSupported, 0);
grn_obj_get_info(ctx, NULL, GRN_INFO_SUPPORT_LZ4, &grnIsSupported);
PGrnIsLZ4Available = (GRN_BOOL_VALUE(&grnIsSupported));
GRN_OBJ_FIN(ctx, &grnIsSupported);
}
static bool
PGrnIsTokenizer(grn_obj *object)
{
if (object->header.type != GRN_PROC)
return false;
if (grn_proc_get_type(ctx, object) != GRN_PROC_TOKENIZER)
return false;
return true;
}
static void
PGrnOptionValidateTokenizer(char *name)
{
grn_obj *tokenizer;
size_t name_length;
name_length = strlen(name);
if (name_length == 0)
return;
tokenizer = grn_ctx_get(ctx, name, name_length);
if (!tokenizer)
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("pgroonga: nonexistent tokenizer: <%s>",
name)));
}
if (!PGrnIsTokenizer(tokenizer))
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("pgroonga: not tokenizer: <%s>: %s",
name, PGrnInspect(tokenizer))));
}
}
static bool
PGrnIsNormalizer(grn_obj *object)
{
if (object->header.type != GRN_PROC)
return false;
if (grn_proc_get_type(ctx, object) != GRN_PROC_NORMALIZER)
return false;
return true;
}
static void
PGrnOptionValidateNormalizer(char *name)
{
grn_obj *normalizer;
size_t name_length;
name_length = strlen(name);
if (name_length == 0)
return;
normalizer = grn_ctx_get(ctx, name, name_length);
if (!normalizer)
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("pgroonga: nonexistent normalizer: <%s>",
name)));
}
if (!PGrnIsNormalizer(normalizer))
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("pgroonga: not normalizer: <%s>: %s",
name, PGrnInspect(normalizer))));
}
}
static void
PGrnInitializeOptions(void)
{
PGrnReloptionKind = add_reloption_kind();
add_string_reloption(PGrnReloptionKind,
"tokenizer",
"Tokenizer name to be used for full-text search",
PGRN_DEFAULT_TOKENIZER,
PGrnOptionValidateTokenizer);
add_string_reloption(PGrnReloptionKind,
"normalizer",
"Normalizer name to be used for full-text search",
PGRN_DEFAULT_NORMALIZER,
PGrnOptionValidateNormalizer);
}
void
_PG_init(void)
{
PGrnInitializeVariables();
if (grn_init() != GRN_SUCCESS)
ereport(ERROR,
(errcode(ERRCODE_SYSTEM_ERROR),
errmsg("pgroonga: failed to initialize Groonga")));
if (grn_ctx_init(ctx, 0))
ereport(ERROR,
(errcode(ERRCODE_SYSTEM_ERROR),
errmsg("pgroonga: failed to initialize Groonga context")));
on_proc_exit(PGrnOnProcExit, 0);
GRN_VOID_INIT(&buffer);
GRN_FLOAT_INIT(&scoreBuffer, 0);
GRN_UINT64_INIT(&ctidBuffer, 0);
GRN_TEXT_INIT(&headBuffer, 0);
GRN_TEXT_INIT(&bodyBuffer, 0);
GRN_TEXT_INIT(&footBuffer, 0);
GRN_TEXT_INIT(&inspectBuffer, 0);
PGrnEnsureDatabase();
PGrnInitializeGroongaInformation();
PGrnInitializeOptions();
}
static int
PGrnRCToPgErrorCode(grn_rc rc)
{
int errorCode = ERRCODE_SYSTEM_ERROR;
/* TODO: Fill me. */
switch (rc)
{
case GRN_NO_SUCH_FILE_OR_DIRECTORY:
errorCode = ERRCODE_IO_ERROR;
break;
case GRN_INPUT_OUTPUT_ERROR:
errorCode = ERRCODE_IO_ERROR;
break;
case GRN_INVALID_ARGUMENT:
errorCode = ERRCODE_INVALID_PARAMETER_VALUE;
break;
default:
break;
}
return errorCode;
}
static grn_bool
PGrnCheck(const char *message)
{
if (ctx->rc == GRN_SUCCESS)
return GRN_TRUE;
ereport(ERROR,
(errcode(PGrnRCToPgErrorCode(ctx->rc)),
errmsg("pgroonga: %s: %s", message, ctx->errbuf)));
return GRN_FALSE;
}
static grn_id
PGrnGetType(Relation index, AttrNumber n, unsigned char *flags)
{
TupleDesc desc = RelationGetDescr(index);
Form_pg_attribute attr;
grn_id typeID = GRN_ID_NIL;
unsigned char typeFlags = 0;
int32 maxLength;
attr = desc->attrs[n];
switch (attr->atttypid)
{
case BOOLOID:
typeID = GRN_DB_BOOL;
break;
case INT2OID:
typeID = GRN_DB_INT16;
break;
case INT4OID:
typeID = GRN_DB_INT32;
break;
case INT8OID:
typeID = GRN_DB_INT64;
break;
case FLOAT4OID:
case FLOAT8OID:
typeID = GRN_DB_FLOAT;
break;
case TIMESTAMPOID:
case TIMESTAMPTZOID:
typeID = GRN_DB_TIME;
break;
case TEXTOID:
case XMLOID:
typeID = GRN_DB_LONG_TEXT;
break;
case VARCHAROID:
maxLength = type_maximum_size(attr->atttypid, attr->atttypmod);
if (maxLength > 4096)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("pgroonga: "
"4097bytes over size varchar isn't supported: %d",
maxLength)));
}
typeID = GRN_DB_SHORT_TEXT; /* 4KB */
break;
#ifdef NOT_USED
case POINTOID:
typeID = GRN_DB_TOKYO_GEO_POINT or GRN_DB_WGS84_GEO_POINT;
break;
#endif
case VARCHARARRAYOID:
maxLength = type_maximum_size(VARCHAROID, attr->atttypmod);
if (maxLength > 4096)
{
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("pgroonga: "
"array of 4097bytes over size varchar "
"isn't supported: %d",
maxLength)));
}
typeID = GRN_DB_SHORT_TEXT;
typeFlags |= GRN_OBJ_VECTOR;
break;
case TEXTARRAYOID:
typeID = GRN_DB_LONG_TEXT;
typeFlags |= GRN_OBJ_VECTOR;
break;
default:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("pgroonga: unsupported type: %u", attr->atttypid)));
break;
}
if (flags)
{
*flags = typeFlags;
}
return typeID;
}
static void
PGrnConvertDatumArrayType(Datum datum, Oid typeID, grn_obj *buffer)
{
ArrayType *value = DatumGetArrayTypeP(datum);
int i, n;
n = ARR_DIMS(value)[0];
for (i = 1; i <= n; i++)
{
int weight = 0;
Datum elementDatum;
VarChar *element;
bool isNULL;
elementDatum = array_ref(value, 1, &i, -1, -1, false, 'i', &isNULL);
if (isNULL)
continue;
switch (typeID)
{
case VARCHARARRAYOID:
element = DatumGetVarCharPP(elementDatum);
grn_vector_add_element(ctx, buffer,
VARDATA_ANY(element),
VARSIZE_ANY_EXHDR(element),
weight,
buffer->header.domain);
break;
case TEXTARRAYOID:
element = DatumGetTextPP(elementDatum);
grn_vector_add_element(ctx, buffer,
VARDATA_ANY(element),
VARSIZE_ANY_EXHDR(element),
weight,
buffer->header.domain);
break;
}
}
}
static void
PGrnConvertDatum(Datum datum, Oid typeID, grn_obj *buffer)
{
switch (typeID)
{
case BOOLOID:
GRN_BOOL_SET(ctx, buffer, DatumGetBool(datum));
break;
case INT2OID:
GRN_INT16_SET(ctx, buffer, DatumGetInt16(datum));
break;
case INT4OID:
GRN_INT32_SET(ctx, buffer, DatumGetInt32(datum));
break;
case INT8OID:
GRN_INT64_SET(ctx, buffer, DatumGetInt64(datum));
break;
case FLOAT4OID:
GRN_FLOAT_SET(ctx, buffer, DatumGetFloat4(datum));
break;
case FLOAT8OID:
GRN_FLOAT_SET(ctx, buffer, DatumGetFloat8(datum));
break;
case TIMESTAMPOID:
case TIMESTAMPTZOID:
{
Timestamp value = DatumGetTimestamp(datum);
pg_time_t unixTime;
int32 usec;
unixTime = timestamptz_to_time_t(value);
#ifdef HAVE_INT64_TIMESTAMP
usec = value % USECS_PER_SEC;
#else
{
double rawUsec;
modf(value, &rawUsec);
usec = rawUsec * USECS_PER_SEC;
if (usec < 0.0)
{
usec = -usec;
}
}
#endif
GRN_TIME_SET(ctx, buffer, GRN_TIME_PACK(unixTime, usec));
break;
}
case TEXTOID:
case XMLOID:
{
text *value = DatumGetTextPP(datum);
GRN_TEXT_SET(ctx, buffer,
VARDATA_ANY(value), VARSIZE_ANY_EXHDR(value));
break;
}
case VARCHAROID:
{
VarChar *value = DatumGetVarCharPP(datum);
GRN_TEXT_SET(ctx, buffer,
VARDATA_ANY(value), VARSIZE_ANY_EXHDR(value));
break;
}
#ifdef NOT_USED
case POINTOID:
/* GRN_DB_TOKYO_GEO_POINT or GRN_DB_WGS84_GEO_POINT; */
break;
#endif
case VARCHARARRAYOID:
case TEXTARRAYOID:
PGrnConvertDatumArrayType(datum, typeID, buffer);
break;
default:
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("pgroonga: unsupported datum type: %u",
typeID)));
break;
}
}
static grn_obj *
PGrnLookup(const char *name, int errorLevel)
{
grn_obj *object = grn_ctx_get(ctx, name, strlen(name));
if (!object)
ereport(errorLevel,
(errcode(ERRCODE_INVALID_NAME),
errmsg("pgroonga: object isn't found: <%s>", name)));
return object;
}
static grn_obj *
PGrnLookupColumn(grn_obj *table, const char *name, int errorLevel)
{
grn_obj *column;
column = grn_obj_column(ctx, table, name, strlen(name));
if (!column)
{
char tableName[GRN_TABLE_MAX_KEY_SIZE];
int tableNameSize;
tableNameSize = grn_obj_name(ctx, table, tableName, sizeof(tableName));
ereport(errorLevel,
(errcode(ERRCODE_INVALID_NAME),
errmsg("pgroonga: column isn't found: <%.*s>:<%s>",
tableNameSize, tableName,
name)));
}
return column;
}
static grn_obj *
PGrnLookupSourcesTable(Relation index, int errorLevel)
{
char name[GRN_TABLE_MAX_KEY_SIZE];
snprintf(name, sizeof(name),
PGrnSourcesTableNameFormat,
index->rd_node.relNode);
return PGrnLookup(name, errorLevel);
}
static grn_obj *
PGrnLookupSourcesCtidColumn(Relation index, int errorLevel)
{
char name[GRN_TABLE_MAX_KEY_SIZE];
snprintf(name, sizeof(name),
PGrnSourcesTableNameFormat "." PGrnSourcesCtidColumnName,
index->rd_node.relNode);
return PGrnLookup(name, errorLevel);
}
#ifdef JSONBOID
static grn_obj *
PGrnLookupJSONPathsTable(Relation index,
unsigned int nthAttribute,
int errorLevel)
{
char name[GRN_TABLE_MAX_KEY_SIZE];
snprintf(name, sizeof(name),
PGrnJSONPathsTableNameFormat,
index->rd_node.relNode, nthAttribute);
return PGrnLookup(name, errorLevel);
}
static grn_obj *
PGrnLookupJSONValuesTable(Relation index,
unsigned int nthAttribute,
int errorLevel)
{
char name[GRN_TABLE_MAX_KEY_SIZE];
snprintf(name, sizeof(name),
PGrnJSONValuesTableNameFormat,
index->rd_node.relNode, nthAttribute);
return PGrnLookup(name, errorLevel);
}
#endif
static grn_obj *
PGrnLookupIndexColumn(Relation index, unsigned int nthAttribute, int errorLevel)
{
char name[GRN_TABLE_MAX_KEY_SIZE];
snprintf(name, sizeof(name),
PGrnLexiconNameFormat ".%s",
index->rd_node.relNode,
nthAttribute,
PGrnIndexColumnName);
return PGrnLookup(name, errorLevel);
}
static grn_obj *
PGrnCreateTable(const char *name,
grn_obj_flags flags,
grn_obj *type)
{
grn_obj *table;
table = grn_table_create(ctx,
name, strlen(name), NULL,
GRN_OBJ_PERSISTENT | flags,
type,
NULL);
PGrnCheck("pgroonga: failed to create table");
return table;
}
static grn_obj *
PGrnCreateColumn(grn_obj *table,
const char *name,
grn_obj_flags flags,
grn_obj *type)
{
grn_obj *column;
column = grn_column_create(ctx, table,
name, strlen(name), NULL,
GRN_OBJ_PERSISTENT | flags,
type);
PGrnCheck("pgroonga: failed to create column");
return column;
}
static bool
PGrnIsForFullTextSearchIndex(Relation index, int nthAttribute)
{
Oid queryStrategyOID;
Oid leftType;
Oid rightType;
leftType = index->rd_opcintype[nthAttribute];
switch (leftType)
{
case VARCHARARRAYOID:
rightType = VARCHAROID;
break;
case TEXTARRAYOID:
rightType = TEXTOID;
break;
default:
rightType = leftType;
break;
}
queryStrategyOID = get_opfamily_member(index->rd_opfamily[nthAttribute],
leftType,
rightType,
PGrnQueryStrategyNumber);
return OidIsValid(queryStrategyOID);
}
static void
PGrnCreateSourcesCtidColumn(PGrnCreateData *data)
{
data->sourcesCtidColumn = PGrnCreateColumn(data->sourcesTable,
PGrnSourcesCtidColumnName,
GRN_OBJ_COLUMN_SCALAR,
grn_ctx_at(ctx, GRN_DB_UINT64));
}
static void
PGrnCreateSourcesTable(PGrnCreateData *data)
{
char sourcesTableName[GRN_TABLE_MAX_KEY_SIZE];
snprintf(sourcesTableName, sizeof(sourcesTableName),
PGrnSourcesTableNameFormat, data->relNode);
data->sourcesTable = PGrnCreateTable(sourcesTableName,
GRN_OBJ_TABLE_NO_KEY,
NULL);
PGrnCreateSourcesCtidColumn(data);
}
#ifdef JSONBOID
static void
PGrnCreateDataColumnsForJSON(PGrnCreateData *data)
{
grn_obj *jsonTypesTable;
{
char jsonPathsTableName[GRN_TABLE_MAX_KEY_SIZE];
snprintf(jsonPathsTableName, sizeof(jsonPathsTableName),
PGrnJSONPathsTableNameFormat,
data->relNode, data->i);