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tscParseLineProtocol.c
2952 lines (2632 loc) · 91.3 KB
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tscParseLineProtocol.c
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#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "os.h"
#include "osString.h"
#include "ttype.h"
#include "tmd5.h"
#include "tstrbuild.h"
#include "tname.h"
#include "hash.h"
#include "tskiplist.h"
#include "tscUtil.h"
#include "tsclient.h"
#include "tscLog.h"
#include "taos.h"
#include "tscParseLine.h"
typedef struct {
char sTableName[TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE];
SHashObj* tagHash;
SHashObj* fieldHash;
SArray* tags; //SArray<SSchema>
SArray* fields; //SArray<SSchema>
uint8_t precision;
} SSmlSTableSchema;
//=================================================================================================
static uint64_t linesSmlHandleId = 0;
static int32_t insertChildTablePointsBatch(void* pVoid, char* name, char* name1, SArray* pArray, SArray* pArray1,
SArray* pArray2, SArray* pArray3, size_t size, SSmlLinesInfo* info);
static int32_t doInsertChildTablePoints(void* pVoid, char* sql, char* name, SArray* pArray, SArray* pArray1,
SSmlLinesInfo* info);
uint64_t genLinesSmlId() {
uint64_t id;
do {
id = atomic_add_fetch_64(&linesSmlHandleId, 1);
} while (id == 0);
return id;
}
int compareSmlColKv(const void* p1, const void* p2) {
TAOS_SML_KV* kv1 = (TAOS_SML_KV*)p1;
TAOS_SML_KV* kv2 = (TAOS_SML_KV*)p2;
int kvLen1 = (int)strlen(kv1->key);
int kvLen2 = (int)strlen(kv2->key);
int res = strncasecmp(kv1->key, kv2->key, MIN(kvLen1, kvLen2));
if (res != 0) {
return res;
} else {
return kvLen1-kvLen2;
}
}
typedef enum {
SCHEMA_ACTION_CREATE_STABLE,
SCHEMA_ACTION_ADD_COLUMN,
SCHEMA_ACTION_ADD_TAG,
SCHEMA_ACTION_CHANGE_COLUMN_SIZE,
SCHEMA_ACTION_CHANGE_TAG_SIZE,
} ESchemaAction;
typedef struct {
char sTableName[TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE];
SArray* tags; //SArray<SSchema>
SArray* fields; //SArray<SSchema>
} SCreateSTableActionInfo;
typedef struct {
char sTableName[TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE];
SSchema* field;
} SAlterSTableActionInfo;
typedef struct {
ESchemaAction action;
union {
SCreateSTableActionInfo createSTable;
SAlterSTableActionInfo alterSTable;
};
} SSchemaAction;
static int32_t getFieldBytesFromSmlKv(TAOS_SML_KV* kv, int32_t* bytes, uint64_t id) {
if (!IS_VAR_DATA_TYPE(kv->type)) {
*bytes = tDataTypes[kv->type].bytes;
} else {
if (kv->type == TSDB_DATA_TYPE_NCHAR) {
char* ucs = malloc(kv->length * TSDB_NCHAR_SIZE + 1);
int32_t bytesNeeded = 0;
bool succ = taosMbsToUcs4(kv->value, kv->length, ucs, kv->length * TSDB_NCHAR_SIZE, &bytesNeeded);
if (!succ) {
free(ucs);
tscError("SML:0x%"PRIx64" convert nchar string to UCS4_LE failed:%s", id, kv->value);
return TSDB_CODE_TSC_INVALID_VALUE;
}
free(ucs);
*bytes = bytesNeeded + VARSTR_HEADER_SIZE;
} else if (kv->type == TSDB_DATA_TYPE_BINARY) {
*bytes = kv->length + VARSTR_HEADER_SIZE;
}
}
return 0;
}
static int32_t buildSmlKvSchema(TAOS_SML_KV* smlKv, SHashObj* hash, SArray* array, SSmlLinesInfo* info) {
SSchema* pField = NULL;
size_t* pFieldIdx = taosHashGet(hash, smlKv->key, strlen(smlKv->key));
size_t fieldIdx = -1;
int32_t code = 0;
if (pFieldIdx) {
fieldIdx = *pFieldIdx;
pField = taosArrayGet(array, fieldIdx);
if (pField->type != smlKv->type) {
tscError("SML:0x%"PRIx64" type mismatch. key %s, type %d. type before %d", info->id, smlKv->key, smlKv->type, pField->type);
return TSDB_CODE_TSC_INVALID_VALUE;
}
int32_t bytes = 0;
code = getFieldBytesFromSmlKv(smlKv, &bytes, info->id);
if (code != 0) {
return code;
}
pField->bytes = MAX(pField->bytes, bytes);
} else {
SSchema field = {0};
size_t tagKeyLen = strlen(smlKv->key);
strncpy(field.name, smlKv->key, tagKeyLen);
field.name[tagKeyLen] = '\0';
field.type = smlKv->type;
int32_t bytes = 0;
code = getFieldBytesFromSmlKv(smlKv, &bytes, info->id);
if (code != 0) {
return code;
}
field.bytes = bytes;
pField = taosArrayPush(array, &field);
fieldIdx = taosArrayGetSize(array) - 1;
taosHashPut(hash, field.name, tagKeyLen, &fieldIdx, sizeof(fieldIdx));
}
smlKv->fieldSchemaIdx = (uint32_t)fieldIdx;
return 0;
}
static int32_t getSmlMd5ChildTableName(TAOS_SML_DATA_POINT* point, char* tableName, int* tableNameLen,
SSmlLinesInfo* info) {
tscDebug("SML:0x%"PRIx64" taos_sml_insert get child table name through md5", info->id);
if (point->tagNum) {
qsort(point->tags, point->tagNum, sizeof(TAOS_SML_KV), compareSmlColKv);
}
SStringBuilder sb; memset(&sb, 0, sizeof(sb));
char sTableName[TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE] = {0};
strncpy(sTableName, point->stableName, strlen(point->stableName));
//strtolower(sTableName, point->stableName);
taosStringBuilderAppendString(&sb, sTableName);
for (int j = 0; j < point->tagNum; ++j) {
taosStringBuilderAppendChar(&sb, ',');
TAOS_SML_KV* tagKv = point->tags + j;
char tagName[TSDB_COL_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE] = {0};
strncpy(tagName, tagKv->key, strlen(tagKv->key));
//strtolower(tagName, tagKv->key);
taosStringBuilderAppendString(&sb, tagName);
taosStringBuilderAppendChar(&sb, '=');
taosStringBuilderAppend(&sb, tagKv->value, tagKv->length);
}
size_t len = 0;
char* keyJoined = taosStringBuilderGetResult(&sb, &len);
T_MD5_CTX context;
tMD5Init(&context);
tMD5Update(&context, (uint8_t *)keyJoined, (uint32_t)len);
tMD5Final(&context);
uint64_t digest1 = *(uint64_t*)(context.digest);
uint64_t digest2 = *(uint64_t*)(context.digest + 8);
*tableNameLen = snprintf(tableName, *tableNameLen,
"t_%016"PRIx64"%016"PRIx64, digest1, digest2);
taosStringBuilderDestroy(&sb);
tscDebug("SML:0x%"PRIx64" child table name: %s", info->id, tableName);
return 0;
}
static int32_t buildSmlChildTableName(TAOS_SML_DATA_POINT* point, SSmlLinesInfo* info) {
tscDebug("SML:0x%"PRIx64" taos_sml_insert build child table name", info->id);
char childTableName[TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE];
int32_t tableNameLen = TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE;
getSmlMd5ChildTableName(point, childTableName, &tableNameLen, info);
point->childTableName = calloc(1, tableNameLen+1);
strncpy(point->childTableName, childTableName, tableNameLen);
point->childTableName[tableNameLen] = '\0';
return 0;
}
static int32_t buildDataPointSchemas(TAOS_SML_DATA_POINT* points, int numPoint, SArray* stableSchemas, SSmlLinesInfo* info) {
int32_t code = 0;
SHashObj* sname2shema = taosHashInit(32,
taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
for (int i = 0; i < numPoint; ++i) {
TAOS_SML_DATA_POINT* point = &points[i];
size_t stableNameLen = strlen(point->stableName);
size_t* pStableIdx = taosHashGet(sname2shema, point->stableName, stableNameLen);
SSmlSTableSchema* pStableSchema = NULL;
size_t stableIdx = -1;
if (pStableIdx) {
pStableSchema= taosArrayGet(stableSchemas, *pStableIdx);
stableIdx = *pStableIdx;
} else {
SSmlSTableSchema schema;
strncpy(schema.sTableName, point->stableName, stableNameLen);
schema.sTableName[stableNameLen] = '\0';
schema.fields = taosArrayInit(64, sizeof(SSchema));
schema.tags = taosArrayInit(8, sizeof(SSchema));
schema.tagHash = taosHashInit(16, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
schema.fieldHash = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
pStableSchema = taosArrayPush(stableSchemas, &schema);
stableIdx = taosArrayGetSize(stableSchemas) - 1;
taosHashPut(sname2shema, schema.sTableName, stableNameLen, &stableIdx, sizeof(size_t));
}
for (int j = 0; j < point->tagNum; ++j) {
TAOS_SML_KV* tagKv = point->tags + j;
if (!point->childTableName) {
buildSmlChildTableName(point, info);
}
code = buildSmlKvSchema(tagKv, pStableSchema->tagHash, pStableSchema->tags, info);
if (code != 0) {
tscError("SML:0x%"PRIx64" build data point schema failed. point no.: %d, tag key: %s", info->id, i, tagKv->key);
return code;
}
}
//for Line Protocol tags may be omitted, add a tag with NULL value
if (point->tagNum == 0) {
if (!point->childTableName) {
buildSmlChildTableName(point, info);
}
char tagNullName[TSDB_COL_NAME_LEN] = {0};
size_t nameLen = strlen(tsSmlTagNullName);
strncpy(tagNullName, tsSmlTagNullName, nameLen);
addEscapeCharToString(tagNullName, (int32_t)nameLen);
size_t* pTagNullIdx = taosHashGet(pStableSchema->tagHash, tagNullName, nameLen + TS_BACKQUOTE_CHAR_SIZE);
if (!pTagNullIdx) {
SSchema tagNull = {0};
tagNull.type = TSDB_DATA_TYPE_NCHAR;
tagNull.bytes = TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE;
strncpy(tagNull.name, tagNullName, nameLen + TS_BACKQUOTE_CHAR_SIZE);
taosArrayPush(pStableSchema->tags, &tagNull);
size_t tagNullIdx = taosArrayGetSize(pStableSchema->tags) - 1;
taosHashPut(pStableSchema->tagHash, tagNull.name, nameLen + TS_BACKQUOTE_CHAR_SIZE, &tagNullIdx, sizeof(tagNullIdx));
}
}
for (int j = 0; j < point->fieldNum; ++j) {
TAOS_SML_KV* fieldKv = point->fields + j;
code = buildSmlKvSchema(fieldKv, pStableSchema->fieldHash, pStableSchema->fields, info);
if (code != 0) {
tscError("SML:0x%"PRIx64" build data point schema failed. point no.: %d, tag key: %s", info->id, i, fieldKv->key);
return code;
}
}
point->schemaIdx = (uint32_t)stableIdx;
}
size_t numStables = taosArrayGetSize(stableSchemas);
for (int32_t i = 0; i < numStables; ++i) {
SSmlSTableSchema* schema = taosArrayGet(stableSchemas, i);
taosHashCleanup(schema->tagHash);
taosHashCleanup(schema->fieldHash);
}
taosHashCleanup(sname2shema);
tscDebug("SML:0x%"PRIx64" build point schema succeed. num of super table: %zu", info->id, numStables);
for (int32_t i = 0; i < numStables; ++i) {
SSmlSTableSchema* schema = taosArrayGet(stableSchemas, i);
tscDebug("\ttable name: %s, tags number: %zu, fields number: %zu", schema->sTableName,
taosArrayGetSize(schema->tags), taosArrayGetSize(schema->fields));
}
return 0;
}
static int32_t generateSchemaAction(SSchema* pointColField, SHashObj* dbAttrHash, SArray* dbAttrArray, bool isTag, char sTableName[],
SSchemaAction* action, bool* actionNeeded, SSmlLinesInfo* info) {
char fieldName[TSDB_COL_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE] = {0};
strcpy(fieldName, pointColField->name);
size_t* pDbIndex = taosHashGet(dbAttrHash, fieldName, strlen(fieldName));
if (pDbIndex) {
SSchema* dbAttr = taosArrayGet(dbAttrArray, *pDbIndex);
assert(strcasecmp(dbAttr->name, pointColField->name) == 0);
if (pointColField->type != dbAttr->type) {
tscError("SML:0x%"PRIx64" point type and db type mismatch. key: %s. point type: %d, db type: %d", info->id, pointColField->name,
pointColField->type, dbAttr->type);
return TSDB_CODE_TSC_INVALID_VALUE;
}
if (IS_VAR_DATA_TYPE(pointColField->type) && (pointColField->bytes > dbAttr->bytes)) {
if (isTag) {
action->action = SCHEMA_ACTION_CHANGE_TAG_SIZE;
} else {
action->action = SCHEMA_ACTION_CHANGE_COLUMN_SIZE;
}
memset(&action->alterSTable, 0, sizeof(SAlterSTableActionInfo));
memcpy(action->alterSTable.sTableName, sTableName, TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE);
action->alterSTable.field = pointColField;
*actionNeeded = true;
}
} else {
if (isTag) {
action->action = SCHEMA_ACTION_ADD_TAG;
} else {
action->action = SCHEMA_ACTION_ADD_COLUMN;
}
memset(&action->alterSTable, 0, sizeof(SAlterSTableActionInfo));
memcpy(action->alterSTable.sTableName, sTableName, TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE);
action->alterSTable.field = pointColField;
*actionNeeded = true;
}
if (*actionNeeded) {
tscDebug("SML:0x%" PRIx64 " generate schema action. column name: %s, action: %d", info->id, fieldName,
action->action);
}
return 0;
}
static int32_t buildColumnDescription(SSchema* field,
char* buf, int32_t bufSize, int32_t* outBytes) {
uint8_t type = field->type;
if (type == TSDB_DATA_TYPE_BINARY || type == TSDB_DATA_TYPE_NCHAR) {
int32_t bytes = field->bytes - VARSTR_HEADER_SIZE;
if (type == TSDB_DATA_TYPE_NCHAR) {
bytes = bytes/TSDB_NCHAR_SIZE;
}
int out = snprintf(buf, bufSize,"%s %s(%d)",
field->name,tDataTypes[field->type].name, bytes);
*outBytes = out;
} else {
int out = snprintf(buf, bufSize, "%s %s",
field->name, tDataTypes[type].name);
*outBytes = out;
}
return 0;
}
static int32_t applySchemaAction(TAOS* taos, SSchemaAction* action, SSmlLinesInfo* info) {
int32_t code = 0;
int32_t outBytes = 0;
char *result = (char *)calloc(1, tsMaxSQLStringLen+1);
int32_t capacity = tsMaxSQLStringLen + 1;
tscDebug("SML:0x%"PRIx64" apply schema action. action: %d", info->id, action->action);
switch (action->action) {
case SCHEMA_ACTION_ADD_COLUMN: {
int n = sprintf(result, "alter stable %s add column ", action->alterSTable.sTableName);
buildColumnDescription(action->alterSTable.field, result+n, capacity-n, &outBytes);
TAOS_RES* res = taos_query(taos, result); //TODO async doAsyncQuery
code = taos_errno(res);
char* errStr = taos_errstr(res);
char* begin = strstr(errStr, "duplicated column names");
bool tscDupColNames = (begin != NULL);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%"PRIx64" apply schema action. error: %s", info->id, errStr);
}
taos_free_result(res);
if (code == TSDB_CODE_MND_FIELD_ALREAY_EXIST || code == TSDB_CODE_MND_TAG_ALREAY_EXIST || tscDupColNames) {
TAOS_RES* res2 = taos_query(taos, "RESET QUERY CACHE");
code = taos_errno(res2);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%" PRIx64 " apply schema action. reset query cache. error: %s", info->id, taos_errstr(res2));
}
taos_free_result(res2);
taosMsleep(500);
}
break;
}
case SCHEMA_ACTION_ADD_TAG: {
int n = sprintf(result, "alter stable %s add tag ", action->alterSTable.sTableName);
buildColumnDescription(action->alterSTable.field,
result+n, capacity-n, &outBytes);
TAOS_RES* res = taos_query(taos, result); //TODO async doAsyncQuery
code = taos_errno(res);
char* errStr = taos_errstr(res);
char* begin = strstr(errStr, "duplicated column names");
bool tscDupColNames = (begin != NULL);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%"PRIx64" apply schema action. error : %s", info->id, taos_errstr(res));
}
taos_free_result(res);
if (code == TSDB_CODE_MND_TAG_ALREAY_EXIST || code == TSDB_CODE_MND_FIELD_ALREAY_EXIST || tscDupColNames) {
TAOS_RES* res2 = taos_query(taos, "RESET QUERY CACHE");
code = taos_errno(res2);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%" PRIx64 " apply schema action. reset query cache. error: %s", info->id, taos_errstr(res2));
}
taos_free_result(res2);
taosMsleep(500);
}
break;
}
case SCHEMA_ACTION_CHANGE_COLUMN_SIZE: {
int n = sprintf(result, "alter stable %s modify column ", action->alterSTable.sTableName);
buildColumnDescription(action->alterSTable.field, result+n,
capacity-n, &outBytes);
TAOS_RES* res = taos_query(taos, result); //TODO async doAsyncQuery
code = taos_errno(res);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%"PRIx64" apply schema action. error : %s", info->id, taos_errstr(res));
}
taos_free_result(res);
if (code == TSDB_CODE_MND_INVALID_COLUMN_LENGTH || code == TSDB_CODE_TSC_INVALID_COLUMN_LENGTH) {
TAOS_RES* res2 = taos_query(taos, "RESET QUERY CACHE");
code = taos_errno(res2);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%" PRIx64 " apply schema action. reset query cache. error: %s", info->id, taos_errstr(res2));
}
taos_free_result(res2);
taosMsleep(500);
}
break;
}
case SCHEMA_ACTION_CHANGE_TAG_SIZE: {
int n = sprintf(result, "alter stable %s modify tag ", action->alterSTable.sTableName);
buildColumnDescription(action->alterSTable.field, result+n,
capacity-n, &outBytes);
TAOS_RES* res = taos_query(taos, result); //TODO async doAsyncQuery
code = taos_errno(res);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%"PRIx64" apply schema action. error : %s", info->id, taos_errstr(res));
}
taos_free_result(res);
if (code == TSDB_CODE_MND_INVALID_TAG_LENGTH || code == TSDB_CODE_TSC_INVALID_TAG_LENGTH) {
TAOS_RES* res2 = taos_query(taos, "RESET QUERY CACHE");
code = taos_errno(res2);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%" PRIx64 " apply schema action. reset query cache. error: %s", info->id, taos_errstr(res2));
}
taos_free_result(res2);
taosMsleep(500);
}
break;
}
case SCHEMA_ACTION_CREATE_STABLE: {
int n = sprintf(result, "create stable %s (", action->createSTable.sTableName);
char* pos = result + n; int freeBytes = capacity - n;
size_t numCols = taosArrayGetSize(action->createSTable.fields);
for (int32_t i = 0; i < numCols; ++i) {
SSchema* field = taosArrayGet(action->createSTable.fields, i);
buildColumnDescription(field, pos, freeBytes, &outBytes);
pos += outBytes; freeBytes -= outBytes;
*pos = ','; ++pos; --freeBytes;
}
--pos; ++freeBytes;
outBytes = snprintf(pos, freeBytes, ") tags (");
pos += outBytes; freeBytes -= outBytes;
size_t numTags = taosArrayGetSize(action->createSTable.tags);
for (int32_t i = 0; i < numTags; ++i) {
SSchema* field = taosArrayGet(action->createSTable.tags, i);
buildColumnDescription(field, pos, freeBytes, &outBytes);
pos += outBytes; freeBytes -= outBytes;
*pos = ','; ++pos; --freeBytes;
}
pos--; ++freeBytes;
outBytes = snprintf(pos, freeBytes, ")");
TAOS_RES* res = taos_query(taos, result);
code = taos_errno(res);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%"PRIx64" apply schema action. error : %s", info->id, taos_errstr(res));
}
taos_free_result(res);
if (code == TSDB_CODE_MND_TABLE_ALREADY_EXIST) {
TAOS_RES* res2 = taos_query(taos, "RESET QUERY CACHE");
code = taos_errno(res2);
if (code != TSDB_CODE_SUCCESS) {
tscError("SML:0x%" PRIx64 " apply schema action. reset query cache. error: %s", info->id, taos_errstr(res2));
}
taos_free_result(res2);
taosMsleep(500);
}
break;
}
default:
break;
}
free(result);
if (code != 0) {
tscError("SML:0x%"PRIx64 " apply schema action failure. %s", info->id, tstrerror(code));
}
return code;
}
static int32_t destroySmlSTableSchema(SSmlSTableSchema* schema) {
taosHashCleanup(schema->tagHash);
taosHashCleanup(schema->fieldHash);
taosArrayDestroy(&schema->tags);
taosArrayDestroy(&schema->fields);
return 0;
}
static int32_t fillDbSchema(STableMeta* tableMeta, char* tableName, SSmlSTableSchema* schema, SSmlLinesInfo* info) {
schema->tags = taosArrayInit(8, sizeof(SSchema));
schema->fields = taosArrayInit(64, sizeof(SSchema));
schema->tagHash = taosHashInit(8, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
schema->fieldHash = taosHashInit(64, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
tstrncpy(schema->sTableName, tableName, strlen(tableName)+1);
schema->precision = tableMeta->tableInfo.precision;
for (int i=0; i<tableMeta->tableInfo.numOfColumns; ++i) {
SSchema field;
tstrncpy(field.name, tableMeta->schema[i].name, strlen(tableMeta->schema[i].name)+1);
addEscapeCharToString(field.name, (int16_t)strlen(field.name));
field.type = tableMeta->schema[i].type;
field.bytes = tableMeta->schema[i].bytes;
taosArrayPush(schema->fields, &field);
size_t fieldIndex = taosArrayGetSize(schema->fields) - 1;
taosHashPut(schema->fieldHash, field.name, strlen(field.name), &fieldIndex, sizeof(fieldIndex));
}
for (int i=0; i<tableMeta->tableInfo.numOfTags; ++i) {
int j = i + tableMeta->tableInfo.numOfColumns;
SSchema field;
tstrncpy(field.name, tableMeta->schema[j].name, strlen(tableMeta->schema[j].name)+1);
addEscapeCharToString(field.name, (int16_t)strlen(field.name));
field.type = tableMeta->schema[j].type;
field.bytes = tableMeta->schema[j].bytes;
taosArrayPush(schema->tags, &field);
size_t tagIndex = taosArrayGetSize(schema->tags) - 1;
taosHashPut(schema->tagHash, field.name, strlen(field.name), &tagIndex, sizeof(tagIndex));
}
tscDebug("SML:0x%"PRIx64 " load table schema succeed. table name: %s, columns number: %d, tag number: %d, precision: %d",
info->id, tableName, tableMeta->tableInfo.numOfColumns, tableMeta->tableInfo.numOfTags, schema->precision);
return TSDB_CODE_SUCCESS;
}
static int32_t getSuperTableMetaFromLocalCache(TAOS* taos, char* tableName, STableMeta** outTableMeta, SSmlLinesInfo* info) {
int32_t code = 0;
STableMeta* tableMeta = NULL;
SSqlObj* pSql = calloc(1, sizeof(SSqlObj));
if (pSql == NULL) {
tscError("SML:0x%" PRIx64 " failed to allocate memory, reason:%s", info->id, strerror(errno));
code = TSDB_CODE_TSC_OUT_OF_MEMORY;
return code;
}
pSql->pTscObj = taos;
pSql->signature = pSql;
pSql->fp = NULL;
registerSqlObj(pSql);
char tableNameBuf[TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE] = {0};
memcpy(tableNameBuf, tableName, strlen(tableName));
SStrToken tableToken = {.z = tableNameBuf, .n = (uint32_t)strlen(tableName), .type = TK_ID};
tGetToken(tableNameBuf, &tableToken.type);
bool dbIncluded = false;
// Check if the table name available or not
if (tscValidateName(&tableToken, true, &dbIncluded) != TSDB_CODE_SUCCESS) {
code = TSDB_CODE_TSC_INVALID_TABLE_ID_LENGTH;
sprintf(pSql->cmd.payload, "table name is invalid");
taosReleaseRef(tscObjRef, pSql->self);
return code;
}
SName sname = {0};
if ((code = tscSetTableFullName(&sname, &tableToken, pSql, dbIncluded)) != TSDB_CODE_SUCCESS) {
taosReleaseRef(tscObjRef, pSql->self);
return code;
}
char fullTableName[TSDB_TABLE_FNAME_LEN] = {0};
memset(fullTableName, 0, tListLen(fullTableName));
tNameExtractFullName(&sname, fullTableName);
size_t size = 0;
taosHashGetCloneExt(UTIL_GET_TABLEMETA(pSql), fullTableName, strlen(fullTableName), NULL, (void**)&tableMeta, &size);
STableMeta* stableMeta = tableMeta;
if (tableMeta != NULL && tableMeta->tableType == TSDB_CHILD_TABLE) {
taosHashGetCloneExt(UTIL_GET_TABLEMETA(pSql), tableMeta->sTableName, strlen(tableMeta->sTableName), NULL,
(void**)stableMeta, &size);
}
taosReleaseRef(tscObjRef, pSql->self);
if (stableMeta != tableMeta) {
free(tableMeta);
}
if (stableMeta != NULL) {
if (outTableMeta != NULL) {
*outTableMeta = stableMeta;
} else {
free(stableMeta);
}
return TSDB_CODE_SUCCESS;
} else {
return TSDB_CODE_TSC_NO_META_CACHED;
}
}
static int32_t retrieveTableMeta(TAOS* taos, char* tableName, STableMeta** pTableMeta, SSmlLinesInfo* info) {
int32_t code = 0;
int32_t retries = 0;
STableMeta* tableMeta = NULL;
while (retries++ <= TSDB_MAX_REPLICA && tableMeta == NULL) {
STscObj* pObj = (STscObj*)taos;
if (pObj == NULL || pObj->signature != pObj) {
terrno = TSDB_CODE_TSC_DISCONNECTED;
return TSDB_CODE_TSC_DISCONNECTED;
}
tscDebug("SML:0x%" PRIx64 " retrieve table meta. super table name: %s", info->id, tableName);
code = getSuperTableMetaFromLocalCache(taos, tableName, &tableMeta, info);
if (code == TSDB_CODE_SUCCESS) {
tscDebug("SML:0x%" PRIx64 " successfully retrieved table meta. super table name: %s", info->id, tableName);
break;
} else if (code == TSDB_CODE_TSC_NO_META_CACHED) {
char sql[256];
snprintf(sql, 256, "describe %s", tableName);
TAOS_RES* res = taos_query(taos, sql);
code = taos_errno(res);
if (code != 0) {
tscError("SML:0x%" PRIx64 " describe table failure. %s", info->id, taos_errstr(res));
taos_free_result(res);
return code;
}
taos_free_result(res);
} else {
return code;
}
}
if (tableMeta != NULL) {
*pTableMeta = tableMeta;
return TSDB_CODE_SUCCESS;
} else {
tscError("SML:0x%" PRIx64 " failed to retrieve table meta. super table name: %s", info->id, tableName);
return TSDB_CODE_TSC_NO_META_CACHED;
}
}
static int32_t loadTableSchemaFromDB(TAOS* taos, char* tableName, SSmlSTableSchema* schema, SSmlLinesInfo* info) {
int32_t code = 0;
STableMeta* tableMeta = NULL;
code = retrieveTableMeta(taos, tableName, &tableMeta, info);
if (code == TSDB_CODE_SUCCESS) {
assert(tableMeta != NULL);
fillDbSchema(tableMeta, tableName, schema, info);
free(tableMeta);
tableMeta = NULL;
}
return code;
}
static int32_t modifyDBSchemas(TAOS* taos, SArray* stableSchemas, SSmlLinesInfo* info) {
int32_t code = 0;
size_t numStable = taosArrayGetSize(stableSchemas);
for (int i = 0; i < numStable; ++i) {
SSmlSTableSchema* pointSchema = taosArrayGet(stableSchemas, i);
SSmlSTableSchema dbSchema;
memset(&dbSchema, 0, sizeof(SSmlSTableSchema));
code = loadTableSchemaFromDB(taos, pointSchema->sTableName, &dbSchema, info);
if (code == TSDB_CODE_MND_INVALID_TABLE_NAME) {
SSchemaAction schemaAction = {0};
schemaAction.action = SCHEMA_ACTION_CREATE_STABLE;
memset(&schemaAction.createSTable, 0, sizeof(SCreateSTableActionInfo));
memcpy(schemaAction.createSTable.sTableName, pointSchema->sTableName, TSDB_TABLE_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE);
schemaAction.createSTable.tags = pointSchema->tags;
schemaAction.createSTable.fields = pointSchema->fields;
applySchemaAction(taos, &schemaAction, info);
code = loadTableSchemaFromDB(taos, pointSchema->sTableName, &dbSchema, info);
if (code != 0) {
tscError("SML:0x%"PRIx64" reconcile point schema failed. can not create %s", info->id, pointSchema->sTableName);
return code;
}
}
if (code == TSDB_CODE_SUCCESS) {
pointSchema->precision = dbSchema.precision;
size_t pointTagSize = taosArrayGetSize(pointSchema->tags);
size_t pointFieldSize = taosArrayGetSize(pointSchema->fields);
SHashObj* dbTagHash = dbSchema.tagHash;
SHashObj* dbFieldHash = dbSchema.fieldHash;
for (int j = 0; j < pointTagSize; ++j) {
SSchema* pointTag = taosArrayGet(pointSchema->tags, j);
SSchemaAction schemaAction = {0};
bool actionNeeded = false;
generateSchemaAction(pointTag, dbTagHash, dbSchema.tags, true, pointSchema->sTableName,
&schemaAction, &actionNeeded, info);
if (actionNeeded) {
code = applySchemaAction(taos, &schemaAction, info);
if (code != 0) {
destroySmlSTableSchema(&dbSchema);
return code;
}
}
}
SSchema* pointColTs = taosArrayGet(pointSchema->fields, 0);
SSchema* dbColTs = taosArrayGet(dbSchema.fields, 0);
memcpy(pointColTs->name, dbColTs->name, TSDB_COL_NAME_LEN + TS_BACKQUOTE_CHAR_SIZE);
for (int j = 1; j < pointFieldSize; ++j) {
SSchema* pointCol = taosArrayGet(pointSchema->fields, j);
SSchemaAction schemaAction = {0};
bool actionNeeded = false;
generateSchemaAction(pointCol, dbFieldHash, dbSchema.fields,false, pointSchema->sTableName,
&schemaAction, &actionNeeded, info);
if (actionNeeded) {
code = applySchemaAction(taos, &schemaAction, info);
if (code != 0) {
destroySmlSTableSchema(&dbSchema);
return code;
}
}
}
pointSchema->precision = dbSchema.precision;
destroySmlSTableSchema(&dbSchema);
} else {
tscError("SML:0x%"PRIx64" load table meta error: %s", info->id, tstrerror(code));
return code;
}
}
return 0;
}
static int32_t arrangePointsByChildTableName(TAOS_SML_DATA_POINT* points, int numPoints,
SHashObj* cname2points, SArray* stableSchemas, SSmlLinesInfo* info) {
for (int32_t i = 0; i < numPoints; ++i) {
TAOS_SML_DATA_POINT * point = points + i;
SSmlSTableSchema* stableSchema = taosArrayGet(stableSchemas, point->schemaIdx);
for (int j = 0; j < point->tagNum; ++j) {
TAOS_SML_KV* kv = point->tags + j;
if (kv->type == TSDB_DATA_TYPE_TIMESTAMP) {
int64_t ts = *(int64_t*)(kv->value);
ts = convertTimePrecision(ts, TSDB_TIME_PRECISION_NANO, stableSchema->precision);
*(int64_t*)(kv->value) = ts;
}
}
for (int j = 0; j < point->fieldNum; ++j) {
TAOS_SML_KV* kv = point->fields + j;
if (kv->type == TSDB_DATA_TYPE_TIMESTAMP) {
int64_t ts = *(int64_t*)(kv->value);
ts = convertTimePrecision(ts, TSDB_TIME_PRECISION_NANO, stableSchema->precision);
*(int64_t*)(kv->value) = ts;
}
}
SArray* cTablePoints = NULL;
SArray** pCTablePoints = taosHashGet(cname2points, point->childTableName, strlen(point->childTableName));
if (pCTablePoints) {
cTablePoints = *pCTablePoints;
} else {
cTablePoints = taosArrayInit(64, sizeof(point));
taosHashPut(cname2points, point->childTableName, strlen(point->childTableName), &cTablePoints, POINTER_BYTES);
}
taosArrayPush(cTablePoints, &point);
}
return 0;
}
static int32_t applyChildTableDataPointsWithInsertSQL(TAOS* taos, char* cTableName, char* sTableName, SSmlSTableSchema* sTableSchema,
SArray* cTablePoints, size_t rowSize, SSmlLinesInfo* info) {
int32_t code = TSDB_CODE_SUCCESS;
size_t numTags = taosArrayGetSize(sTableSchema->tags);
size_t numCols = taosArrayGetSize(sTableSchema->fields);
size_t rows = taosArrayGetSize(cTablePoints);
SArray* tagsSchema = sTableSchema->tags;
SArray* colsSchema = sTableSchema->fields;
TAOS_SML_KV* tagKVs[TSDB_MAX_TAGS] = {0};
for (int i = 0; i < rows; ++i) {
TAOS_SML_DATA_POINT* pDataPoint = taosArrayGetP(cTablePoints, i);
for (int j = 0; j < pDataPoint->tagNum; ++j) {
TAOS_SML_KV* kv = pDataPoint->tags + j;
tagKVs[kv->fieldSchemaIdx] = kv;
}
}
char* sql = malloc(tsMaxSQLStringLen + 1);
if (sql == NULL) {
tscError("malloc sql memory error");
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}
int32_t freeBytes = tsMaxSQLStringLen + 1;
int32_t totalLen = 0;
totalLen += sprintf(sql, "insert into %s using %s (", cTableName, sTableName);
for (int i = 0; i < numTags; ++i) {
SSchema* tagSchema = taosArrayGet(tagsSchema, i);
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, "%s,", tagSchema->name);
}
--totalLen;
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, ")");
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, " tags (");
// for (int i = 0; i < numTags; ++i) {
// snprintf(sql+strlen(sql), freeBytes-strlen(sql), "?,");
// }
for (int i = 0; i < numTags; ++i) {
if (tagKVs[i] == NULL) {
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, "NULL,");
} else {
TAOS_SML_KV* kv = tagKVs[i];
size_t beforeLen = totalLen;
int32_t len = 0;
converToStr(sql + beforeLen, kv->type, kv->value, kv->length, &len);
totalLen += len;
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, ",");
}
}
--totalLen;
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, ") (");
for (int i = 0; i < numCols; ++i) {
SSchema* colSchema = taosArrayGet(colsSchema, i);
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, "%s,", colSchema->name);
}
--totalLen;
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, ") values ");
TAOS_SML_KV** colKVs = malloc(numCols * sizeof(TAOS_SML_KV*));
for (int r = 0; r < rows; ++r) {
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, "(");
memset(colKVs, 0, numCols * sizeof(TAOS_SML_KV*));
TAOS_SML_DATA_POINT* point = taosArrayGetP(cTablePoints, r);
for (int i = 0; i < point->fieldNum; ++i) {
TAOS_SML_KV* kv = point->fields + i;
colKVs[kv->fieldSchemaIdx] = kv;
}
for (int i = 0; i < numCols; ++i) {
if (colKVs[i] == NULL) {
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, "NULL,");
} else {
TAOS_SML_KV* kv = colKVs[i];
size_t beforeLen = totalLen;
int32_t len = 0;
converToStr(sql + beforeLen, kv->type, kv->value, kv->length, &len);
totalLen += len;
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, ",");
}
}
--totalLen;
totalLen += snprintf(sql + totalLen, freeBytes - totalLen, ")");
}
free(colKVs);
sql[totalLen] = '\0';
tscDebug("SML:0x%" PRIx64 " insert child table table %s of super table %s sql: %s", info->id, cTableName, sTableName,
sql);
bool tryAgain = false;
int32_t try = 0;
do {
TAOS_RES* res = taos_query(taos, sql);
code = taos_errno(res);
if (code != 0) {
tscError("SML:0x%"PRIx64 " taos_query return %d:%s", info->id, code, taos_errstr(res));
}
tscDebug("SML:0x%"PRIx64 " taos_query inserted %d rows", info->id, taos_affected_rows(res));
info->affectedRows += taos_affected_rows(res);
taos_free_result(res);
tryAgain = false;
if ((code == TSDB_CODE_TDB_INVALID_TABLE_ID
|| code == TSDB_CODE_VND_INVALID_VGROUP_ID
|| code == TSDB_CODE_TDB_TABLE_RECONFIGURE
|| code == TSDB_CODE_APP_NOT_READY
|| code == TSDB_CODE_RPC_NETWORK_UNAVAIL) && try++ < TSDB_MAX_REPLICA) {
tryAgain = true;
}
if (code == TSDB_CODE_TDB_INVALID_TABLE_ID || code == TSDB_CODE_VND_INVALID_VGROUP_ID) {
TAOS_RES* res2 = taos_query(taos, "RESET QUERY CACHE");
int32_t code2 = taos_errno(res2);
if (code2 != TSDB_CODE_SUCCESS) {
tscError("SML:0x%" PRIx64 " insert child table by sql. reset query cache. error: %s", info->id, taos_errstr(res2));
}
taos_free_result(res2);
if (tryAgain) {
taosMsleep(100 * (2 << try));
}
}
if (code == TSDB_CODE_APP_NOT_READY || code == TSDB_CODE_RPC_NETWORK_UNAVAIL) {
if (tryAgain) {
taosMsleep( 100 * (2 << try));
}
}
} while (tryAgain);
free(sql);
return code;
}
static int32_t applyChildTableDataPointsWithStmt(TAOS* taos, char* cTableName, char* sTableName, SSmlSTableSchema* sTableSchema,
SArray* cTablePoints, size_t rowSize, SSmlLinesInfo* info) {
size_t numTags = taosArrayGetSize(sTableSchema->tags);
size_t numCols = taosArrayGetSize(sTableSchema->fields);
size_t rows = taosArrayGetSize(cTablePoints);
TAOS_SML_KV* tagKVs[TSDB_MAX_TAGS] = {0};
for (int i= 0; i < rows; ++i) {
TAOS_SML_DATA_POINT * pDataPoint = taosArrayGetP(cTablePoints, i);
for (int j = 0; j < pDataPoint->tagNum; ++j) {
TAOS_SML_KV* kv = pDataPoint->tags + j;
tagKVs[kv->fieldSchemaIdx] = kv;
}
}
//tag bind
SArray* tagBinds = taosArrayInit(numTags, sizeof(TAOS_BIND));
taosArraySetSize(tagBinds, numTags);
int isNullColBind = TSDB_TRUE;
for (int j = 0; j < numTags; ++j) {
TAOS_BIND* bind = taosArrayGet(tagBinds, j);
bind->is_null = &isNullColBind;
}
for (int j = 0; j < numTags; ++j) {
if (tagKVs[j] == NULL) continue;
TAOS_SML_KV* kv = tagKVs[j];
TAOS_BIND* bind = taosArrayGet(tagBinds, kv->fieldSchemaIdx);
bind->buffer_type = kv->type;
bind->length = malloc(sizeof(uintptr_t*));
*bind->length = kv->length;
bind->buffer = kv->value;
bind->is_null = NULL;
}
//rows bind
SArray* rowsBind = taosArrayInit(rows, POINTER_BYTES);
for (int i = 0; i < rows; ++i) {
TAOS_SML_DATA_POINT* point = taosArrayGetP(cTablePoints, i);
TAOS_BIND* colBinds = calloc(numCols, sizeof(TAOS_BIND));
if (colBinds == NULL) {
tscError("SML:0x%"PRIx64" taos_sml_insert insert points, failed to allocated memory for TAOS_BIND, "
"num of rows: %zu, num of cols: %zu", info->id, rows, numCols);
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}
for (int j = 0; j < numCols; ++j) {
TAOS_BIND* bind = colBinds + j;
bind->is_null = &isNullColBind;
}
for (int j = 0; j < point->fieldNum; ++j) {
TAOS_SML_KV* kv = point->fields + j;
TAOS_BIND* bind = colBinds + kv->fieldSchemaIdx;
bind->buffer_type = kv->type;
bind->length = malloc(sizeof(uintptr_t*));
*bind->length = kv->length;
bind->buffer = kv->value;
bind->is_null = NULL;
}
taosArrayPush(rowsBind, &colBinds);
}
int32_t code = 0;
code = insertChildTablePointsBatch(taos, cTableName, sTableName, sTableSchema->tags, tagBinds, sTableSchema->fields, rowsBind, rowSize, info);
if (code != 0) {
tscError("SML:0x%"PRIx64" insert into child table %s failed. error %s", info->id, cTableName, tstrerror(code));