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This commit is contained in:
Hongze Cheng 2021-12-06 15:49:51 +08:00
parent c8f23a801d
commit 2ab7dc06bf
2 changed files with 22 additions and 11 deletions
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2
source/dnode/vnode/meta/inc/metaDef.h
View File

@ -34,7 +34,7 @@ extern "C" {
struct SMeta { struct SMeta {
char* path; char* path;
SMetaCfg options; SMetaCfg options;
SMetaDB* pDB; SMetaDB* pDB;
SMetaIdx* pIdx; SMetaIdx* pIdx;
SMetaCache* pCache; SMetaCache* pCache;
STbUidGenerator uidGnrt; STbUidGenerator uidGnrt;

31
source/dnode/vnode/meta/src/metaSQLiteImpl.c
View File

@ -16,20 +16,30 @@
#include "metaDef.h" #include "metaDef.h"
#include "sqlite3.h" #include "sqlite3.h"
struct SMetaDB {
sqlite3 *pDB;
};
int metaOpenDB(SMeta *pMeta) { int metaOpenDB(SMeta *pMeta) {
char dir[128]; char dir[128];
int rc; int rc;
char *err = NULL; char *err = NULL;
pMeta->pDB = (SMetaDB *)calloc(1, sizeof(SMetaDB));
if (pMeta->pDB == NULL) {
// TODO: handle error
return -1;
}
sprintf(dir, "%s/meta.db", pMeta->path); sprintf(dir, "%s/meta.db", pMeta->path);
rc = sqlite3_open(dir, &(pMeta->pDB)); rc = sqlite3_open(dir, &(pMeta->pDB->pDB));
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
// TODO: handle error // TODO: handle error
printf("failed to open meta.db\n"); printf("failed to open meta.db\n");
} }
// For all tables // For all tables
rc = sqlite3_exec(pMeta->pDB, rc = sqlite3_exec(pMeta->pDB->pDB,
"CREATE TABLE IF NOT EXISTS tb (" "CREATE TABLE IF NOT EXISTS tb ("
" tbname VARCHAR(256) NOT NULL UNIQUE," " tbname VARCHAR(256) NOT NULL UNIQUE,"
" tb_uid INTEGER NOT NULL UNIQUE " " tb_uid INTEGER NOT NULL UNIQUE "
@ -41,7 +51,7 @@ int metaOpenDB(SMeta *pMeta) {
} }
// For super tables // For super tables
rc = sqlite3_exec(pMeta->pDB, rc = sqlite3_exec(pMeta->pDB->pDB,
"CREATE TABLE IF NOT EXISTS stb (" "CREATE TABLE IF NOT EXISTS stb ("
" tb_uid INTEGER NOT NULL UNIQUE," " tb_uid INTEGER NOT NULL UNIQUE,"
" tbname VARCHAR(256) NOT NULL UNIQUE," " tbname VARCHAR(256) NOT NULL UNIQUE,"
@ -55,7 +65,7 @@ int metaOpenDB(SMeta *pMeta) {
} }
// For normal tables // For normal tables
rc = sqlite3_exec(pMeta->pDB, rc = sqlite3_exec(pMeta->pDB->pDB,
"CREATE TABLE IF NOT EXISTS ntb (" "CREATE TABLE IF NOT EXISTS ntb ("
" tb_uid INTEGER NOT NULL UNIQUE," " tb_uid INTEGER NOT NULL UNIQUE,"
" tbname VARCHAR(256) NOT NULL," " tbname VARCHAR(256) NOT NULL,"
@ -67,7 +77,7 @@ int metaOpenDB(SMeta *pMeta) {
printf("failed to create meta table ntb since %s\n", err); printf("failed to create meta table ntb since %s\n", err);
} }
sqlite3_exec(pMeta->pDB, "BEGIN;", NULL, NULL, &err); sqlite3_exec(pMeta->pDB->pDB, "BEGIN;", NULL, NULL, &err);
tfree(err); tfree(err);
@ -76,8 +86,9 @@ int metaOpenDB(SMeta *pMeta) {
void metaCloseDB(SMeta *pMeta) { void metaCloseDB(SMeta *pMeta) {
if (pMeta->pDB) { if (pMeta->pDB) {
sqlite3_exec(pMeta->pDB, "BEGIN;", NULL, NULL, NULL); sqlite3_exec(pMeta->pDB->pDB, "COMMIT;", NULL, NULL, NULL);
sqlite3_close(pMeta->pDB); sqlite3_close(pMeta->pDB->pDB);
free(pMeta->pDB);
pMeta->pDB = NULL; pMeta->pDB = NULL;
} }
@ -102,7 +113,7 @@ int metaSaveTableToDB(SMeta *pMeta, const STbCfg *pTbOptions) {
// " tag1 INTEGER" // " tag1 INTEGER"
// ");" // ");"
// "CREATE INDEX IF NOT EXISTS stb_%" PRIu64 "_tag1_idx ON stb_1638517480 (tag1);"); // "CREATE INDEX IF NOT EXISTS stb_%" PRIu64 "_tag1_idx ON stb_1638517480 (tag1);");
rc = sqlite3_exec(pMeta->pDB, sql, NULL, NULL, &err); rc = sqlite3_exec(pMeta->pDB->pDB, sql, NULL, NULL, &err);
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
printf("failed to create normal table since %s\n", err); printf("failed to create normal table since %s\n", err);
} }
@ -111,7 +122,7 @@ int metaSaveTableToDB(SMeta *pMeta, const STbCfg *pTbOptions) {
// sprintf(sql, "INSERT INTO tb VALUES (\'%s\', %" PRIu64 // sprintf(sql, "INSERT INTO tb VALUES (\'%s\', %" PRIu64
// ");" // ");"
// "INSERT INTO ntb VALUES (%" PRIu64 ", \'%s\', );"); // "INSERT INTO ntb VALUES (%" PRIu64 ", \'%s\', );");
rc = sqlite3_exec(pMeta->pDB, sql, NULL, NULL, &err); rc = sqlite3_exec(pMeta->pDB->pDB, sql, NULL, NULL, &err);
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
printf("failed to create normal table since %s\n", err); printf("failed to create normal table since %s\n", err);
} }
@ -120,7 +131,7 @@ int metaSaveTableToDB(SMeta *pMeta, const STbCfg *pTbOptions) {
// sprintf(sql, "INSERT INTO tb VALUES (\'%s\', %" PRIu64 // sprintf(sql, "INSERT INTO tb VALUES (\'%s\', %" PRIu64
// ");" // ");"
// "INSERT INTO stb_%" PRIu64 " VALUES (%" PRIu64 ", \'%s\', );"); // "INSERT INTO stb_%" PRIu64 " VALUES (%" PRIu64 ", \'%s\', );");
rc = sqlite3_exec(pMeta->pDB, sql, NULL, NULL, &err); rc = sqlite3_exec(pMeta->pDB->pDB, sql, NULL, NULL, &err);
if (rc != SQLITE_OK) { if (rc != SQLITE_OK) {
printf("failed to create child table since %s\n", err); printf("failed to create child table since %s\n", err);
} }