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homework-jianmu/source/libs/parser/src/insertParser.c

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/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "insertParser.h"
#include "dataBlockMgt.h"
#include "parserInt.h"
#include "parserUtil.h"
#include "queryInfoUtil.h"
#include "tglobal.h"
#include "ttime.h"
#include "ttoken.h"
#include "ttypes.h"
#define NEXT_TOKEN(pSql, sToken) \
do { \
int32_t index = 0; \
sToken = tStrGetToken(pSql, &index, false); \
pSql += index; \
} while (0)
#define CHECK_CODE(expr) \
do { \
int32_t code = expr; \
if (TSDB_CODE_SUCCESS != code) { \
terrno = code; \
return terrno; \
} \
} while (0)
#define CHECK_CODE_1(expr, destroy) \
do { \
int32_t code = expr; \
if (TSDB_CODE_SUCCESS != code) { \
(void)destroy; \
terrno = code; \
return terrno; \
} \
} while (0)
#define CHECK_CODE_2(expr, destroy1, destroy2) \
do { \
int32_t code = expr; \
if (TSDB_CODE_SUCCESS != code) { \
(void)destroy1; \
(void)destroy2; \
terrno = code; \
return terrno; \
} \
} while (0)
enum {
TSDB_USE_SERVER_TS = 0,
TSDB_USE_CLI_TS = 1,
};
typedef struct SInsertParseContext {
SParseContext* pComCxt;
const char* pSql;
SMsgBuf msg;
struct SCatalog* pCatalog;
STableMeta* pTableMeta;
SHashObj* pTableBlockHashObj; // data block for each table. need release
int32_t totalNum;
SInsertStmtInfo* pOutput;
} SInsertParseContext;
typedef int32_t (*FRowAppend)(const void *value, int32_t len, void *param);
typedef struct SKvParam {
char buf[TSDB_MAX_TAGS_LEN];
SKVRowBuilder* builder;
SSchema* schema;
} SKvParam;
static uint8_t TRUE_VALUE = (uint8_t)TSDB_TRUE;
static uint8_t FALSE_VALUE = (uint8_t)TSDB_FALSE;
static bool isNullStr(SToken *pToken) {
return (pToken->type == TK_NULL) || ((pToken->type == TK_STRING) && (pToken->n != 0) &&
(strncasecmp(TSDB_DATA_NULL_STR_L, pToken->z, pToken->n) == 0));
}
static FORCE_INLINE int32_t toDouble(SToken *pToken, double *value, char **endPtr) {
errno = 0;
*value = strtold(pToken->z, endPtr);
// not a valid integer number, return error
if ((*endPtr - pToken->z) != pToken->n) {
return TK_ILLEGAL;
}
return pToken->type;
}
static int32_t toInt64(const char* z, int16_t type, int32_t n, int64_t* value, bool issigned) {
errno = 0;
int32_t ret = 0;
char* endPtr = NULL;
if (type == TK_FLOAT) {
double v = strtod(z, &endPtr);
if ((errno == ERANGE && v == HUGE_VALF) || isinf(v) || isnan(v)) {
ret = -1;
} else if ((issigned && (v < INT64_MIN || v > INT64_MAX)) || ((!issigned) && (v < 0 || v > UINT64_MAX))) {
ret = -1;
} else {
*value = (int64_t) round(v);
}
errno = 0;
return ret;
}
int32_t radix = 10;
if (type == TK_HEX) {
radix = 16;
} else if (type == TK_BIN) {
radix = 2;
}
// the string may be overflow according to errno
if (!issigned) {
const char *p = z;
while(*p != 0 && *p == ' ') p++;
if (*p != 0 && *p == '-') { return -1;}
*value = strtoull(z, &endPtr, radix);
} else {
*value = strtoll(z, &endPtr, radix);
}
// not a valid integer number, return error
if (endPtr - z != n || errno == ERANGE) {
ret = -1;
}
errno = 0;
return ret;
}
static int32_t createInsertStmtInfo(SInsertStmtInfo **pInsertInfo) {
*pInsertInfo = calloc(1, sizeof(SQueryStmtInfo));
if (NULL == *pInsertInfo) {
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}
return TSDB_CODE_SUCCESS;
}
static int32_t skipInsertInto(SInsertParseContext* pCxt) {
SToken sToken;
NEXT_TOKEN(pCxt->pSql, sToken);
if (TK_INSERT != sToken.type) {
return buildSyntaxErrMsg(&pCxt->msg, "keyword INSERT is expected", sToken.z);
}
NEXT_TOKEN(pCxt->pSql, sToken);
if (TK_INTO != sToken.type) {
return buildSyntaxErrMsg(&pCxt->msg, "keyword INTO is expected", sToken.z);
}
return TSDB_CODE_SUCCESS;
}
static int32_t buildName(SInsertParseContext* pCxt, SToken* pStname, char* fullDbName, char* tableName) {
if (parserValidateIdToken(pStname) != TSDB_CODE_SUCCESS) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid table name", pStname->z);
}
char* p = strnchr(pStname->z, TS_PATH_DELIMITER[0], pStname->n, false);
if (NULL != p) { // db.table
strcpy(fullDbName, pCxt->pComCxt->pAcctId);
fullDbName[strlen(pCxt->pComCxt->pAcctId)] = TS_PATH_DELIMITER[0];
strncpy(fullDbName, pStname->z, p - pStname->z);
strncpy(tableName, p + 1, pStname->n - (p - pStname->z) - 1);
} else {
snprintf(fullDbName, TSDB_FULL_DB_NAME_LEN, "%s.%s", pCxt->pComCxt->pAcctId, pCxt->pComCxt->pDbname);
strncpy(tableName, pStname->z, pStname->n);
}
return TSDB_CODE_SUCCESS;
}
static int32_t getTableMeta(SInsertParseContext* pCxt, SToken* pTname) {
char fullDbName[TSDB_FULL_DB_NAME_LEN] = {0};
char tableName[TSDB_TABLE_NAME_LEN] = {0};
CHECK_CODE(buildName(pCxt, pTname, fullDbName, tableName));
CHECK_CODE(catalogGetTableMeta(pCxt->pCatalog, pCxt->pComCxt->pRpc, pCxt->pComCxt->pEpSet, fullDbName, tableName, &pCxt->pTableMeta));
return TSDB_CODE_SUCCESS;
}
// todo speedup by using hash list
static int32_t findCol(SToken* pColname, int32_t start, int32_t end, SSchema* pSchema) {
while (start < end) {
if (strlen(pSchema[start].name) == pColname->n && strncmp(pColname->z, pSchema[start].name, pColname->n) == 0) {
return start;
}
++start;
}
return -1;
}
static int32_t checkTimestamp(STableDataBlocks *pDataBlocks, const char *start) {
// once the data block is disordered, we do NOT keep previous timestamp any more
if (!pDataBlocks->ordered) {
return TSDB_CODE_SUCCESS;
}
TSKEY k = *(TSKEY *)start;
if (k == INT64_MIN) {
if (pDataBlocks->tsSource == TSDB_USE_CLI_TS) {
return -1;
} else if (pDataBlocks->tsSource == -1) {
pDataBlocks->tsSource = TSDB_USE_SERVER_TS;
}
} else {
if (pDataBlocks->tsSource == TSDB_USE_SERVER_TS) {
return -1; // client time/server time can not be mixed
} else if (pDataBlocks->tsSource == -1) {
pDataBlocks->tsSource = TSDB_USE_CLI_TS;
}
}
if (k <= pDataBlocks->prevTS && (pDataBlocks->tsSource == TSDB_USE_CLI_TS)) {
pDataBlocks->ordered = false;
}
pDataBlocks->prevTS = k;
return TSDB_CODE_SUCCESS;
}
static int parseTime(SInsertParseContext* pCxt, SToken *pToken, int16_t timePrec, int64_t *time) {
int32_t index = 0;
SToken sToken;
int64_t interval;
int64_t useconds = 0;
const char* pTokenEnd = pCxt->pSql;
if (pToken->type == TK_NOW) {
useconds = taosGetTimestamp(timePrec);
} else if (strncmp(pToken->z, "0", 1) == 0 && pToken->n == 1) {
// do nothing
} else if (pToken->type == TK_INTEGER) {
useconds = taosStr2int64(pToken->z);
} else {
// strptime("2001-11-12 18:31:01", "%Y-%m-%d %H:%M:%S", &tm);
if (taosParseTime(pToken->z, time, pToken->n, timePrec, tsDaylight) != TSDB_CODE_SUCCESS) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid timestamp format", pToken->z);
}
return TSDB_CODE_SUCCESS;
}
for (int k = pToken->n; pToken->z[k] != '\0'; k++) {
if (pToken->z[k] == ' ' || pToken->z[k] == '\t') continue;
if (pToken->z[k] == ',') {
pCxt->pSql = pTokenEnd;
*time = useconds;
return 0;
}
break;
}
/*
* time expression:
* e.g., now+12a, now-5h
*/
SToken valueToken;
index = 0;
sToken = tStrGetToken(pTokenEnd, &index, false);
pTokenEnd += index;
if (sToken.type == TK_MINUS || sToken.type == TK_PLUS) {
index = 0;
valueToken = tStrGetToken(pTokenEnd, &index, false);
pTokenEnd += index;
if (valueToken.n < 2) {
return buildSyntaxErrMsg(&pCxt->msg, "value expected in timestamp", sToken.z);
}
char unit = 0;
if (parseAbsoluteDuration(valueToken.z, valueToken.n, &interval, &unit, timePrec) != TSDB_CODE_SUCCESS) {
return TSDB_CODE_TSC_INVALID_OPERATION;
}
if (sToken.type == TK_PLUS) {
useconds += interval;
} else {
useconds = useconds - interval;
}
pCxt->pSql = pTokenEnd;
}
*time = useconds;
return TSDB_CODE_SUCCESS;
}
static FORCE_INLINE int32_t KvRowAppend(const void *value, int32_t len, void *param) {
SKvParam* pa = (SKvParam*)param;
if (TSDB_DATA_TYPE_BINARY == pa->schema->type) {
STR_WITH_SIZE_TO_VARSTR(pa->buf, value, len);
tdAddColToKVRow(pa->builder, pa->schema->colId, pa->schema->type, pa->buf);
} else if (TSDB_DATA_TYPE_NCHAR == pa->schema->type) {
// if the converted output len is over than pColumnModel->bytes, return error: 'Argument list too long'
int32_t output = 0;
if (!taosMbsToUcs4(value, len, varDataVal(pa->buf), pa->schema->bytes - VARSTR_HEADER_SIZE, &output)) {
return TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
}
varDataSetLen(pa->buf, output);
tdAddColToKVRow(pa->builder, pa->schema->colId, pa->schema->type, pa->buf);
} else {
tdAddColToKVRow(pa->builder, pa->schema->colId, pa->schema->type, value);
}
return TSDB_CODE_SUCCESS;
}
typedef struct SMemParam {
SMemRow row;
SSchema* schema;
int32_t toffset;
uint8_t compareStat;
int32_t dataLen;
int32_t kvLen;
} SMemParam;
static FORCE_INLINE int32_t MemRowAppend(const void *value, int32_t len, void *param) {
SMemParam* pa = (SMemParam*)param;
if (TSDB_DATA_TYPE_BINARY == pa->schema->type) {
char *rowEnd = memRowEnd(pa->row);
STR_WITH_SIZE_TO_VARSTR(rowEnd, value, len);
appendMemRowColValEx(pa->row, rowEnd, true, pa->schema->colId, pa->schema->type, pa->toffset, &pa->dataLen, &pa->kvLen, pa->compareStat);
} else if (TSDB_DATA_TYPE_NCHAR == pa->schema->type) {
// if the converted output len is over than pColumnModel->bytes, return error: 'Argument list too long'
int32_t output = 0;
char * rowEnd = memRowEnd(pa->row);
if (!taosMbsToUcs4(value, len, (char *)varDataVal(rowEnd), pa->schema->bytes - VARSTR_HEADER_SIZE, &output)) {
return TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
}
varDataSetLen(rowEnd, output);
appendMemRowColValEx(pa->row, rowEnd, false, pa->schema->colId, pa->schema->type, pa->toffset, &pa->dataLen, &pa->kvLen, pa->compareStat);
} else {
appendMemRowColValEx(pa->row, value, true, pa->schema->colId, pa->schema->type, pa->toffset, &pa->dataLen, &pa->kvLen, pa->compareStat);
}
return TSDB_CODE_SUCCESS;
}
static FORCE_INLINE int32_t checkAndTrimValue(SInsertParseContext* pCxt, SToken* pToken, SSchema* pSchema, char* tmpTokenBuf) {
int16_t type = pToken->type;
if ((type != TK_NOW && type != TK_INTEGER && type != TK_STRING && type != TK_FLOAT && type != TK_BOOL &&
type != TK_NULL && type != TK_HEX && type != TK_OCT && type != TK_BIN) ||
(pToken->n == 0) || (type == TK_RP)) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid data or symbol", pToken->z);
}
if (IS_NUMERIC_TYPE(pSchema->type) && pToken->n == 0) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid numeric data", pToken->z);
}
// Remove quotation marks
if (TK_STRING == type) {
if (pToken->n >= TSDB_MAX_BYTES_PER_ROW) {
return buildSyntaxErrMsg(&pCxt->msg, "too long string", pToken->z);
}
// delete escape character: \\, \', \"
char delim = pToken->z[0];
int32_t cnt = 0;
int32_t j = 0;
for (uint32_t k = 1; k < pToken->n - 1; ++k) {
if (pToken->z[k] == '\\' || (pToken->z[k] == delim && pToken->z[k + 1] == delim)) {
tmpTokenBuf[j] = pToken->z[k + 1];
cnt++;
j++;
k++;
continue;
}
tmpTokenBuf[j] = pToken->z[k];
j++;
}
tmpTokenBuf[j] = 0;
pToken->z = tmpTokenBuf;
pToken->n -= 2 + cnt;
}
return TSDB_CODE_SUCCESS;
}
static FORCE_INLINE int32_t parseOneValue(SInsertParseContext* pCxt, SToken* pToken, SSchema* pSchema, int16_t timePrec, char* tmpTokenBuf, FRowAppend func, void* param) {
int64_t iv;
int32_t ret;
char * endptr = NULL;
CHECK_CODE(checkAndTrimValue(pCxt, pToken, pSchema, tmpTokenBuf));
if (isNullStr(pToken)) {
if (TSDB_DATA_TYPE_TIMESTAMP == pSchema->type && PRIMARYKEY_TIMESTAMP_COL_ID == pSchema->colId) {
int64_t tmpVal = 0;
return func(&tmpVal, pSchema->bytes, param);
}
return func(getNullValue(pSchema->type), 0, param);
}
switch (pSchema->type) {
case TSDB_DATA_TYPE_BOOL: {
if ((pToken->type == TK_BOOL || pToken->type == TK_STRING) && (pToken->n != 0)) {
if (strncmp(pToken->z, "true", pToken->n) == 0) {
return func(&TRUE_VALUE, pSchema->bytes, param);
} else if (strncmp(pToken->z, "false", pToken->n) == 0) {
return func(&FALSE_VALUE, pSchema->bytes, param);
} else {
return buildSyntaxErrMsg(&pCxt->msg, "invalid bool data", pToken->z);
}
} else if (pToken->type == TK_INTEGER) {
return func(((strtoll(pToken->z, NULL, 10) == 0) ? &FALSE_VALUE : &TRUE_VALUE), pSchema->bytes, param);
} else if (pToken->type == TK_FLOAT) {
return func(((strtod(pToken->z, NULL) == 0) ? &FALSE_VALUE : &TRUE_VALUE), pSchema->bytes, param);
} else {
return buildSyntaxErrMsg(&pCxt->msg, "invalid bool data", pToken->z);
}
break;
}
case TSDB_DATA_TYPE_TINYINT: {
if (TSDB_CODE_SUCCESS != toInt64(pToken->z, pToken->type, pToken->n, &iv, true)) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid tinyint data", pToken->z);
} else if (!IS_VALID_TINYINT(iv)) {
return buildSyntaxErrMsg(&pCxt->msg, "data overflow", pToken->z);
}
uint8_t tmpVal = (uint8_t)iv;
return func(&tmpVal, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_UTINYINT:{
if (TSDB_CODE_SUCCESS != toInt64(pToken->z, pToken->type, pToken->n, &iv, false)) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid unsigned tinyint data", pToken->z);
} else if (!IS_VALID_UTINYINT(iv)) {
return buildSyntaxErrMsg(&pCxt->msg, "unsigned tinyint data overflow", pToken->z);
}
uint8_t tmpVal = (uint8_t)iv;
return func(&tmpVal, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_SMALLINT: {
if (TSDB_CODE_SUCCESS != toInt64(pToken->z, pToken->type, pToken->n, &iv, true)) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid smallint data", pToken->z);
} else if (!IS_VALID_SMALLINT(iv)) {
return buildSyntaxErrMsg(&pCxt->msg, "smallint data overflow", pToken->z);
}
int16_t tmpVal = (int16_t)iv;
return func(&tmpVal, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_USMALLINT: {
if (TSDB_CODE_SUCCESS != toInt64(pToken->z, pToken->type, pToken->n, &iv, false)) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid unsigned smallint data", pToken->z);
} else if (!IS_VALID_USMALLINT(iv)) {
return buildSyntaxErrMsg(&pCxt->msg, "unsigned smallint data overflow", pToken->z);
}
uint16_t tmpVal = (uint16_t)iv;
return func(&tmpVal, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_INT: {
if (TSDB_CODE_SUCCESS != toInt64(pToken->z, pToken->type, pToken->n, &iv, true)) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid int data", pToken->z);
} else if (!IS_VALID_INT(iv)) {
return buildSyntaxErrMsg(&pCxt->msg, "int data overflow", pToken->z);
}
int32_t tmpVal = (int32_t)iv;
return func(&tmpVal, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_UINT: {
if (TSDB_CODE_SUCCESS != toInt64(pToken->z, pToken->type, pToken->n, &iv, false)) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid unsigned int data", pToken->z);
} else if (!IS_VALID_UINT(iv)) {
return buildSyntaxErrMsg(&pCxt->msg, "unsigned int data overflow", pToken->z);
}
uint32_t tmpVal = (uint32_t)iv;
return func(&tmpVal, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_BIGINT: {
if (TSDB_CODE_SUCCESS != toInt64(pToken->z, pToken->type, pToken->n, &iv, true)) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid bigint data", pToken->z);
} else if (!IS_VALID_BIGINT(iv)) {
return buildSyntaxErrMsg(&pCxt->msg, "bigint data overflow", pToken->z);
}
return func(&iv, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_UBIGINT: {
if (TSDB_CODE_SUCCESS != toInt64(pToken->z, pToken->type, pToken->n, &iv, false)) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid unsigned bigint data", pToken->z);
} else if (!IS_VALID_UBIGINT((uint64_t)iv)) {
return buildSyntaxErrMsg(&pCxt->msg, "unsigned bigint data overflow", pToken->z);
}
uint64_t tmpVal = (uint64_t)iv;
return func(&tmpVal, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_FLOAT: {
double dv;
if (TK_ILLEGAL == toDouble(pToken, &dv, &endptr)) {
return buildSyntaxErrMsg(&pCxt->msg, "illegal float data", pToken->z);
}
if (((dv == HUGE_VAL || dv == -HUGE_VAL) && errno == ERANGE) || dv > FLT_MAX || dv < -FLT_MAX || isinf(dv) || isnan(dv)) {
return buildSyntaxErrMsg(&pCxt->msg, "illegal float data", pToken->z);
}
float tmpVal = (float)dv;
return func(&tmpVal, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_DOUBLE: {
double dv;
if (TK_ILLEGAL == toDouble(pToken, &dv, &endptr)) {
return buildSyntaxErrMsg(&pCxt->msg, "illegal double data", pToken->z);
}
if (((dv == HUGE_VAL || dv == -HUGE_VAL) && errno == ERANGE) || isinf(dv) || isnan(dv)) {
return buildSyntaxErrMsg(&pCxt->msg, "illegal double data", pToken->z);
}
return func(&dv, pSchema->bytes, param);
}
case TSDB_DATA_TYPE_BINARY: {
// too long values will return invalid sql, not be truncated automatically
if (pToken->n + VARSTR_HEADER_SIZE > pSchema->bytes) { // todo refactor
return buildSyntaxErrMsg(&pCxt->msg, "string data overflow", pToken->z);
}
return func(pToken->z, pToken->n, param);
}
case TSDB_DATA_TYPE_NCHAR: {
return func(pToken->z, pToken->n, param);
}
case TSDB_DATA_TYPE_TIMESTAMP: {
int64_t tmpVal;
if (parseTime(pCxt, pToken, timePrec, &tmpVal) != TSDB_CODE_SUCCESS) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid timestamp", pToken->z);
}
return func(&tmpVal, pSchema->bytes, param);
}
}
return TSDB_CODE_FAILED;
}
// pSql -> tag1_name, ...)
static int32_t parseBoundColumns(SInsertParseContext* pCxt, SParsedDataColInfo* pColList, SSchema* pSchema) {
int32_t nCols = pColList->numOfCols;
pColList->numOfBound = 0;
memset(pColList->boundedColumns, 0, sizeof(int32_t) * nCols);
for (int32_t i = 0; i < nCols; ++i) {
pColList->cols[i].valStat = VAL_STAT_NONE;
}
SToken sToken;
bool isOrdered = true;
int32_t lastColIdx = -1; // last column found
while (1) {
NEXT_TOKEN(pCxt->pSql, sToken);
if (TK_RP == sToken.type) {
break;
}
int32_t t = lastColIdx + 1;
int32_t index = findCol(&sToken, t, nCols, pSchema);
if (index < 0 && t > 0) {
index = findCol(&sToken, 0, t, pSchema);
isOrdered = false;
}
if (index < 0) {
return buildSyntaxErrMsg(&pCxt->msg, "invalid column/tag name", sToken.z);
}
if (pColList->cols[index].valStat == VAL_STAT_HAS) {
return buildSyntaxErrMsg(&pCxt->msg, "duplicated column name", sToken.z);
}
lastColIdx = index;
pColList->cols[index].valStat = VAL_STAT_HAS;
pColList->boundedColumns[pColList->numOfBound] = index;
++pColList->numOfBound;
}
pColList->orderStatus = isOrdered ? ORDER_STATUS_ORDERED : ORDER_STATUS_DISORDERED;
if (!isOrdered) {
pColList->colIdxInfo = calloc(pColList->numOfBound, sizeof(SBoundIdxInfo));
if (NULL == pColList->colIdxInfo) {
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}
SBoundIdxInfo* pColIdx = pColList->colIdxInfo;
for (uint16_t i = 0; i < pColList->numOfBound; ++i) {
pColIdx[i].schemaColIdx = (uint16_t)pColList->boundedColumns[i];
pColIdx[i].boundIdx = i;
}
qsort(pColIdx, pColList->numOfBound, sizeof(SBoundIdxInfo), schemaIdxCompar);
for (uint16_t i = 0; i < pColList->numOfBound; ++i) {
pColIdx[i].finalIdx = i;
}
qsort(pColIdx, pColList->numOfBound, sizeof(SBoundIdxInfo), boundIdxCompar);
}
memset(&pColList->boundedColumns[pColList->numOfBound], 0, sizeof(int32_t) * (pColList->numOfCols - pColList->numOfBound));
return TSDB_CODE_SUCCESS;
}
// pSql -> tag1_value, ...)
static int32_t parseTagsClause(SInsertParseContext* pCxt, SParsedDataColInfo* pSpd, SSchema* pTagsSchema, uint8_t precision) {
SKVRowBuilder kvRowBuilder = {0};
if (tdInitKVRowBuilder(&kvRowBuilder) < 0) {
destroyBoundColumnInfo(pSpd);
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}
SKvParam param = {.builder = &kvRowBuilder};
SToken sToken;
char tmpTokenBuf[TSDB_MAX_BYTES_PER_ROW] = {0}; // used for deleting Escape character: \\, \', \"
for (int i = 0; i < pSpd->numOfBound; ++i) {
NEXT_TOKEN(pCxt->pSql, sToken);
SSchema* pSchema = &pTagsSchema[pSpd->boundedColumns[i]];
param.schema = pSchema;
CHECK_CODE_2(parseOneValue(pCxt, &sToken, pSchema, precision, tmpTokenBuf, KvRowAppend, &param), tdDestroyKVRowBuilder(&kvRowBuilder), destroyBoundColumnInfo(pSpd));
}
destroyBoundColumnInfo(pSpd);
SKVRow row = tdGetKVRowFromBuilder(&kvRowBuilder);
tdDestroyKVRowBuilder(&kvRowBuilder);
if (NULL == row) {
return buildInvalidOperationMsg(&pCxt->msg, "tag value expected");
}
tdSortKVRowByColIdx(row);
// todo construct payload
tfree(row);
}
// pSql -> stb_name [(tag1_name, ...)] TAGS (tag1_value, ...)
static int32_t parseUsingClause(SInsertParseContext* pCxt, SToken* pTbnameToken) {
SToken sToken;
// pSql -> stb_name [(tag1_name, ...)] TAGS (tag1_value, ...)
NEXT_TOKEN(pCxt->pSql, sToken);
CHECK_CODE(getTableMeta(pCxt, &sToken));
if (TSDB_SUPER_TABLE != pCxt->pTableMeta->tableType) {
return buildInvalidOperationMsg(&pCxt->msg, "create table only from super table is allowed");
}
SSchema* pTagsSchema = getTableTagSchema(pCxt->pTableMeta);
SParsedDataColInfo spd = {0};
setBoundColumnInfo(&spd, pTagsSchema, getNumOfTags(pCxt->pTableMeta));
// pSql -> [(tag1_name, ...)] TAGS (tag1_value, ...)
NEXT_TOKEN(pCxt->pSql, sToken);
if (TK_LP == sToken.type) {
CHECK_CODE_1(parseBoundColumns(pCxt, &spd, pTagsSchema), destroyBoundColumnInfo(&spd));
NEXT_TOKEN(pCxt->pSql, sToken);
}
if (TK_TAGS != sToken.type) {
return buildSyntaxErrMsg(&pCxt->msg, "TAGS is expected", sToken.z);
}
// pSql -> (tag1_value, ...)
NEXT_TOKEN(pCxt->pSql, sToken);
if (TK_LP != sToken.type) {
return buildSyntaxErrMsg(&pCxt->msg, "( is expected", sToken.z);
}
CHECK_CODE(parseTagsClause(pCxt, &spd, pTagsSchema, getTableInfo(pCxt->pTableMeta).precision));
return TSDB_CODE_SUCCESS;
}
static int parseOneRow(SInsertParseContext* pCxt, STableDataBlocks* pDataBlocks, int16_t timePrec, int32_t* len, char* tmpTokenBuf) {
SParsedDataColInfo* spd = &pDataBlocks->boundColumnInfo;
SMemRowBuilder* pBuilder = &pDataBlocks->rowBuilder;
char *row = pDataBlocks->pData + pDataBlocks->size; // skip the SSubmitBlk header
initSMemRow(row, pBuilder->memRowType, pDataBlocks, spd->numOfBound);
bool isParseBindParam = false;
SSchema* schema = getTableColumnSchema(pDataBlocks->pTableMeta);
SMemParam param = {.row = row};
SToken sToken = {0};
// 1. set the parsed value from sql string
for (int i = 0; i < spd->numOfBound; ++i) {
NEXT_TOKEN(pCxt->pSql, sToken);
SSchema *pSchema = &schema[spd->boundedColumns[i]];
param.schema = pSchema;
param.compareStat = pBuilder->compareStat;
getMemRowAppendInfo(schema, pBuilder->memRowType, spd, i, &param.toffset);
CHECK_CODE(parseOneValue(pCxt, &sToken, pSchema, timePrec, tmpTokenBuf, MemRowAppend, &param));
if (PRIMARYKEY_TIMESTAMP_COL_ID == pSchema->colId) {
TSKEY tsKey = memRowKey(row);
if (checkTimestamp(pDataBlocks, (const char *)&tsKey) != TSDB_CODE_SUCCESS) {
buildSyntaxErrMsg(&pCxt->msg, "client time/server time can not be mixed up", sToken.z);
return TSDB_CODE_TSC_INVALID_TIME_STAMP;
}
}
}
if (!isParseBindParam) {
// 2. check and set convert flag
if (pBuilder->compareStat == ROW_COMPARE_NEED) {
convertMemRow(row, spd->allNullLen + TD_MEM_ROW_DATA_HEAD_SIZE, pBuilder->kvRowInitLen);
}
// 3. set the null value for the columns that do not assign values
if ((spd->numOfBound < spd->numOfCols) && isDataRow(row) && !isNeedConvertRow(row)) {
SDataRow dataRow = memRowDataBody(row);
for (int32_t i = 0; i < spd->numOfCols; ++i) {
if (spd->cols[i].valStat == VAL_STAT_NONE) {
tdAppendDataColVal(dataRow, getNullValue(schema[i].type), true, schema[i].type, spd->cols[i].toffset);
}
}
}
}
*len = getExtendedRowSize(pDataBlocks);
return TSDB_CODE_SUCCESS;
}
// pSql -> (field1_value, ...) [(field1_value2, ...) ...]
static int32_t parseValues(SInsertParseContext* pCxt, STableDataBlocks* pDataBlock, int maxRows, int32_t* numOfRows) {
STableComInfo tinfo = getTableInfo(pDataBlock->pTableMeta);
int32_t extendedRowSize = getExtendedRowSize(pDataBlock);
CHECK_CODE(initMemRowBuilder(&pDataBlock->rowBuilder, 0, tinfo.numOfColumns, pDataBlock->boundColumnInfo.numOfBound, pDataBlock->boundColumnInfo.allNullLen));
(*numOfRows) = 0;
char tmpTokenBuf[TSDB_MAX_BYTES_PER_ROW] = {0}; // used for deleting Escape character: \\, \', \"
SToken sToken;
while (1) {
NEXT_TOKEN(pCxt->pSql, sToken);
if (TK_LP != sToken.type) {
break;
}
if ((*numOfRows) >= maxRows || pDataBlock->size + extendedRowSize >= pDataBlock->nAllocSize) {
int32_t tSize;
CHECK_CODE(allocateMemIfNeed(pDataBlock, extendedRowSize, &tSize));
ASSERT(tSize >= maxRows);
maxRows = tSize;
}
int32_t len = 0;
CHECK_CODE(parseOneRow(pCxt, pDataBlock, tinfo.precision, &len, tmpTokenBuf));
pDataBlock->size += len;
NEXT_TOKEN(pCxt->pSql, sToken);
if (TK_RP != sToken.type) {
return buildSyntaxErrMsg(&pCxt->msg, ") expected", sToken.z);
}
(*numOfRows)++;
}
if (0 == (*numOfRows)) {
return buildSyntaxErrMsg(&pCxt->msg, "no any data points", NULL);
}
return TSDB_CODE_SUCCESS;
}
static int32_t parseValuesClause(SInsertParseContext* pCxt, STableDataBlocks* dataBuf) {
int32_t maxNumOfRows;
CHECK_CODE(allocateMemIfNeed(dataBuf, getExtendedRowSize(dataBuf), &maxNumOfRows));
int32_t numOfRows = 0;
CHECK_CODE(parseValues(pCxt, dataBuf, maxNumOfRows, &numOfRows));
SSubmitBlk *pBlocks = (SSubmitBlk *)(dataBuf->pData);
if (TSDB_CODE_SUCCESS != setBlockInfo(pBlocks, dataBuf->pTableMeta, numOfRows)) {
return buildInvalidOperationMsg(&pCxt->msg, "too many rows in sql, total number of rows should be less than 32767");
}
dataBuf->numOfTables = 1;
pCxt->totalNum += numOfRows;
return TSDB_CODE_SUCCESS;
}
// tb_name
// [USING stb_name [(tag1_name, ...)] TAGS (tag1_value, ...)]
// [(field1_name, ...)]
// VALUES (field1_value, ...) [(field1_value2, ...) ...] | FILE csv_file_path
// [...];
static int32_t parseInsertBody(SInsertParseContext* pCxt) {
while (1) {
SToken sToken;
// pSql -> tb_name ...
NEXT_TOKEN(pCxt->pSql, sToken);
// no data in the sql string anymore.
if (sToken.n == 0) {
if (0 == pCxt->totalNum) {
return buildInvalidOperationMsg(&pCxt->msg, "no data in sql");;
}
break;
}
SToken tbnameToken = sToken;
NEXT_TOKEN(pCxt->pSql, sToken);
// USING cluase
if (TK_USING == sToken.type) {
CHECK_CODE(parseUsingClause(pCxt, &tbnameToken));
NEXT_TOKEN(pCxt->pSql, sToken);
} else {
CHECK_CODE(getTableMeta(pCxt, &tbnameToken));
}
STableDataBlocks *dataBuf = NULL;
CHECK_CODE(getDataBlockFromList(pCxt->pTableBlockHashObj, pCxt->pTableMeta->uid, TSDB_DEFAULT_PAYLOAD_SIZE,
sizeof(SSubmitBlk), getTableInfo(pCxt->pTableMeta).rowSize, pCxt->pTableMeta, &dataBuf, NULL));
if (TK_LP == sToken.type) {
// pSql -> field1_name, ...)
CHECK_CODE_1(parseBoundColumns(pCxt, &dataBuf->boundColumnInfo, getTableColumnSchema(pCxt->pTableMeta)), destroyBoundColumnInfo(&dataBuf->boundColumnInfo));
NEXT_TOKEN(pCxt->pSql, sToken);
}
if (TK_VALUES == sToken.type) {
// pSql -> (field1_value, ...) [(field1_value2, ...) ...]
CHECK_CODE(parseValuesClause(pCxt, dataBuf));
pCxt->pOutput->insertType = TSDB_QUERY_TYPE_INSERT;
continue;
}
// FILE csv_file_path
if (TK_FILE == sToken.type) {
// pSql -> csv_file_path
NEXT_TOKEN(pCxt->pSql, sToken);
if (0 == sToken.n || (TK_STRING != sToken.type && TK_ID != sToken.type)) {
return buildSyntaxErrMsg(&pCxt->msg, "file path is required following keyword FILE", sToken.z);
}
// todo
pCxt->pOutput->insertType = TSDB_QUERY_TYPE_FILE_INSERT;
continue;
}
return buildSyntaxErrMsg(&pCxt->msg, "keyword VALUES or FILE is expected", sToken.z);
}
// merge according to vgId
if (!TSDB_QUERY_HAS_TYPE(pCxt->pOutput->insertType, TSDB_QUERY_TYPE_STMT_INSERT) && taosHashGetSize(pCxt->pTableBlockHashObj) > 0) {
CHECK_CODE(mergeTableDataBlocks(pCxt->pTableBlockHashObj, pCxt->pOutput->schemaAttache, pCxt->pOutput->payloadType, true));
}
return TSDB_CODE_SUCCESS;
}
// INSERT INTO
// tb_name
// [USING stb_name [(tag1_name, ...)] TAGS (tag1_value, ...)]
// [(field1_name, ...)]
// VALUES (field1_value, ...) [(field1_value2, ...) ...] | FILE csv_file_path
// [...];
int32_t parseInsertSql(SParseContext* pContext, SInsertStmtInfo** pInfo) {
CHECK_CODE(createInsertStmtInfo(pInfo));
SInsertParseContext context = {
.pComCxt = pContext,
.pSql = pContext->pSql,
.msg = {.buf = pContext->pMsg, .len = pContext->msgLen},
.pCatalog = NULL,
.pTableMeta = NULL,
.pTableBlockHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, false),
.totalNum = 0,
.pOutput = *pInfo
};
if (NULL == context.pTableBlockHashObj) {
return TSDB_CODE_TSC_OUT_OF_MEMORY;
}
CHECK_CODE(catalogGetHandle(pContext->pClusterId, &context.pCatalog));
CHECK_CODE(skipInsertInto(&context));
CHECK_CODE(parseInsertBody(&context));
return TSDB_CODE_SUCCESS;
}
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