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T
TDengine
未验证 提交 7b68b7bc 编写于 作者: C Cary Xu 提交者： GitHub
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Merge pull request #12117 from taosdata/feature/TD-13066-3.0 

feat: support update in mem/file
上级 ddc4a966 b1a429f7
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Showing with 612 addition and 206 deletion
include/common/tdataformat.h
浏览文件 @ 7b68b7bc
......@@ -374,8 +374,7 @@ static FORCE_INLINE void tdCopyColOfRowBySchema(SDataRow dst, STSchema *pDstSche
typedef struct SDataCol {
int8_t type; // column type
uint8_t bitmap : 1; // 0: no bitmap if all rows are NORM, 1: has bitmap if has NULL/NORM rows
uint8_t bitmapMode : 1; // default is 0(2 bits), otherwise 1(1 bit)
uint8_t reserve : 6;
uint8_t reserve : 7;
int16_t colId; // column ID
int32_t bytes; // column data bytes defined
int32_t offset; // data offset in a SDataRow (including the header size)
......@@ -387,8 +386,6 @@ typedef struct SDataCol {
TSKEY ts; // only used in last NULL column
} SDataCol;
#define isAllRowsNull(pCol) ((pCol)->len == 0)
#define isAllRowsNone(pCol) ((pCol)->len == 0)
static FORCE_INLINE void dataColReset(SDataCol *pDataCol) { pDataCol->len = 0; }
......@@ -482,7 +479,7 @@ void tdResetDataCols(SDataCols *pCols);
int32_t tdInitDataCols(SDataCols *pCols, STSchema *pSchema);
SDataCols *tdDupDataCols(SDataCols *pCols, bool keepData);
SDataCols *tdFreeDataCols(SDataCols *pCols);
int32_t tdMergeDataCols(SDataCols *target, SDataCols *source, int32_t rowsToMerge, int32_t *pOffset, bool forceSetNull, TDRowVerT maxVer);
int32_t tdMergeDataCols(SDataCols *target, SDataCols *source, int32_t rowsToMerge, int32_t *pOffset, bool update, TDRowVerT maxVer);
// ----------------- K-V data row structure
/* |<-------------------------------------- len -------------------------------------------->|
......
include/common/trow.h
浏览文件 @ 7b68b7bc
......@@ -42,7 +42,7 @@ extern "C" {
* @brief value type
* - for data from client input and STSRow in memory, 3 types of value none/null/norm available
*/
#define TD_VTYPE_NORM 0x00U // normal val: not none, not null(no need assign value)
#define TD_VTYPE_NORM 0x00U // normal val: not none, not null
#define TD_VTYPE_NULL 0x01U // null val
#define TD_VTYPE_NONE 0x02U // none or unknown/undefined
#define TD_VTYPE_MAX 0x03U //
......@@ -140,8 +140,6 @@ typedef struct {
};
/// row total length
uint32_t len;
/// row version
// uint64_t ver;
/// the inline data, maybe a tuple or a k-v tuple
char data[];
} STSRow;
......@@ -241,13 +239,13 @@ static FORCE_INLINE int32_t tdGetBitmapValType(const void *pBitmap, int16_t colI
static FORCE_INLINE bool tdIsBitmapValTypeNorm(const void *pBitmap, int16_t idx, int8_t bitmapMode);
bool tdIsBitmapBlkNorm(const void *pBitmap, int32_t numOfBits, int8_t bitmapMode);
int32_t tdAppendValToDataCol(SDataCol *pCol, TDRowValT valType, const void *val, int32_t numOfRows, int32_t maxPoints,
int8_t bitmapMode);
int8_t bitmapMode, bool isMerge);
static FORCE_INLINE int32_t tdAppendColValToTpRow(SRowBuilder *pBuilder, TDRowValT valType, const void *val,
bool isCopyVarData, int8_t colType, int16_t colIdx, int32_t offset);
static FORCE_INLINE int32_t tdAppendColValToKvRow(SRowBuilder *pBuilder, TDRowValT valType, const void *val,
bool isCopyVarData, int8_t colType, int16_t colIdx, int32_t offset,
col_id_t colId);
int32_t tdAppendSTSRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols *pCols);
int32_t tdAppendSTSRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols *pCols, bool isMerge);
/**
* @brief
......@@ -718,6 +716,7 @@ static int32_t tdSRowResetBuf(SRowBuilder *pBuilder, void *pBuf) {
terrno = TSDB_CODE_INVALID_PARA;
return terrno;
}
return TSDB_CODE_SUCCESS;
}
......
include/util/tdef.h
浏览文件 @ 7b68b7bc
......@@ -29,6 +29,8 @@ extern "C" {
#define TSKEY_MAX (INT64_MAX - 1)
#define TSKEY_INITIAL_VAL TSKEY_MIN
#define TD_VER_MAX UINT64_MAX // TODO: use the real max version from query handle
// Bytes for each type.
extern const int32_t TYPE_BYTES[15];
......
source/common/src/trow.c
浏览文件 @ 7b68b7bc
......@@ -24,7 +24,8 @@ const uint8_t tdVTypeByte[2][3] = {{
},
{
// 1 bit
TD_VTYPE_NORM_BYTE_I, TD_VTYPE_NULL_BYTE_I,
TD_VTYPE_NORM_BYTE_I, // normal
TD_VTYPE_NULL_BYTE_I,
TD_VTYPE_NULL_BYTE_I, // padding
}
......@@ -33,6 +34,24 @@ const uint8_t tdVTypeByte[2][3] = {{
// declaration
static uint8_t tdGetBitmapByte(uint8_t byte);
// static void dataColSetNEleNull(SDataCol *pCol, int nEle);
/**
* @brief src2 data has more priority than src1
*
* @param target
* @param src1
* @param iter1
* @param limit1
* @param src2
* @param iter2
* @param limit2
* @param tRows
* @param update
*/
static void tdMergeTwoDataCols(SDataCols *target, SDataCols *src1, int *iter1, int limit1, SDataCols *src2, int *iter2,
int limit2, int tRows, bool update);
// implementation
/**
* @brief Compress bitmap bytes comprised of 2-bits to counterpart of 1-bit.
......@@ -229,23 +248,23 @@ static uint8_t tdGetMergedBitmapByte(uint8_t byte) {
void tdMergeBitmap(uint8_t *srcBitmap, int32_t nBits, uint8_t *dstBitmap) {
int32_t i = 0, j = 0;
int32_t nBytes = TD_BITMAP_BYTES(nBits);
int32_t nStrictBytes = nBits / 4;
int32_t nPartialBits = nBits - nStrictBytes * 4;
int32_t nRoundBytes = nBits / 4;
int32_t nRemainderBits = nBits - nRoundBytes * 4;
switch (nPartialBits) {
switch (nRemainderBits) {
case 0:
// NOTHING TODO
break;
case 1: {
void *lastByte = POINTER_SHIFT(srcBitmap, nStrictBytes);
void *lastByte = POINTER_SHIFT(srcBitmap, nRoundBytes);
*(uint8_t *)lastByte &= 0xC0;
} break;
case 2: {
void *lastByte = POINTER_SHIFT(srcBitmap, nStrictBytes);
void *lastByte = POINTER_SHIFT(srcBitmap, nRoundBytes);
*(uint8_t *)lastByte &= 0xF0;
} break;
case 3: {
void *lastByte = POINTER_SHIFT(srcBitmap, nStrictBytes);
void *lastByte = POINTER_SHIFT(srcBitmap, nRoundBytes);
*(uint8_t *)lastByte &= 0xFC;
} break;
default:
......@@ -266,10 +285,6 @@ void tdMergeBitmap(uint8_t *srcBitmap, int32_t nBits, uint8_t *dstBitmap) {
}
}
// static void dataColSetNEleNull(SDataCol *pCol, int nEle);
static void tdMergeTwoDataCols(SDataCols *target, SDataCols *src1, int *iter1, int limit1, SDataCols *src2, int *iter2,
int limit2, int tRows, bool forceSetNull);
static FORCE_INLINE void dataColSetNullAt(SDataCol *pCol, int index, bool setBitmap, int8_t bitmapMode) {
if (IS_VAR_DATA_TYPE(pCol->type)) {
pCol->dataOff[index] = pCol->len;
......@@ -329,7 +344,7 @@ bool tdIsBitmapBlkNorm(const void *pBitmap, int32_t numOfBits, int8_t bitmapMode
if (*((uint8_t *)pBitmap) != vTypeByte) {
return false;
}
pBitmap = POINTER_SHIFT(pBitmap, 1);
pBitmap = POINTER_SHIFT(pBitmap, i);
}
int32_t nLeft = numOfBits - nBytes * (bitmapMode == 0 ? TD_VTYPE_BITS : TD_VTYPE_BITS_I);
......@@ -411,10 +426,11 @@ STSRow *tdRowDup(STSRow *row) {
* @param numOfRows
* @param maxPoints
* @param bitmapMode default is 0(2 bits), otherwise 1(1 bit)
* @param isMerge merge to current row
* @return int
*/
int tdAppendValToDataCol(SDataCol *pCol, TDRowValT valType, const void *val, int numOfRows, int maxPoints,
int8_t bitmapMode) {
int8_t bitmapMode, bool isMerge) {
TASSERT(pCol != NULL);
// Assume that the columns not specified during insert/upsert mean None.
......@@ -430,33 +446,58 @@ int tdAppendValToDataCol(SDataCol *pCol, TDRowValT valType, const void *val, int
dataColSetNEleNone(pCol, numOfRows, bitmapMode);
}
}
if (!tdValTypeIsNorm(valType)) {
const void *value = val;
if (!tdValTypeIsNorm(valType) || !val) {
// TODO:
// 1. back compatibility and easy to debug with codes of 2.0 to save NULL values.
// 2. later on, considering further optimization, don't save Null/None for VarType.
val = getNullValue(pCol->type);
value = getNullValue(pCol->type);
}
if (!isMerge) {
if (IS_VAR_DATA_TYPE(pCol->type)) {
// set offset
pCol->dataOff[numOfRows] = pCol->len;
// Copy data
memcpy(POINTER_SHIFT(pCol->pData, pCol->len), val, varDataTLen(val));
memcpy(POINTER_SHIFT(pCol->pData, pCol->len), value, varDataTLen(value));
// Update the length
pCol->len += varDataTLen(val);
pCol->len += varDataTLen(value);
} else {
ASSERT(pCol->len == TYPE_BYTES[pCol->type] * numOfRows);
memcpy(POINTER_SHIFT(pCol->pData, pCol->len), val, pCol->bytes);
memcpy(POINTER_SHIFT(pCol->pData, pCol->len), value, pCol->bytes);
pCol->len += pCol->bytes;
}
} else if (!tdValTypeIsNone(valType)) {
if (IS_VAR_DATA_TYPE(pCol->type)) {
// keep the last offset
// discard the last var data
int32_t lastVarLen = varDataTLen(POINTER_SHIFT(pCol->pData, pCol->dataOff[numOfRows]));
pCol->len -= lastVarLen;
// Copy data
memcpy(POINTER_SHIFT(pCol->pData, pCol->len), value, varDataTLen(value));
// Update the length
pCol->len += varDataTLen(value);
} else {
ASSERT(pCol->len - TYPE_BYTES[pCol->type] == TYPE_BYTES[pCol->type] * numOfRows);
memcpy(POINTER_SHIFT(pCol->pData, pCol->len - TYPE_BYTES[pCol->type]), value, pCol->bytes);
}
}
#ifdef TD_SUPPORT_BITMAP
if (!isMerge || !tdValTypeIsNone(valType)) {
tdSetBitmapValType(pCol->pBitmap, numOfRows, valType, bitmapMode);
}
#endif
return 0;
}
// internal
static int32_t tdAppendTpRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols *pCols) {
static int32_t tdAppendTpRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols *pCols, bool isMerge) {
#if 0
ASSERT(pCols->numOfRows == 0 || dataColsKeyLast(pCols) < TD_ROW_KEY(pRow));
#endif
// Multi-Version rows with the same key and different versions supported
ASSERT(pCols->numOfRows == 0 || dataColsKeyLast(pCols) <= TD_ROW_KEY(pRow));
int rcol = 1;
int dcol = 1;
......@@ -464,12 +505,14 @@ static int32_t tdAppendTpRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols
SDataCol *pDataCol = &(pCols->cols[0]);
ASSERT(pDataCol->colId == PRIMARYKEY_TIMESTAMP_COL_ID);
tdAppendValToDataCol(pDataCol, TD_VTYPE_NORM, &pRow->ts, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode);
tdAppendValToDataCol(pDataCol, TD_VTYPE_NORM, &pRow->ts, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode,
isMerge);
while (dcol < pCols->numOfCols) {
pDataCol = &(pCols->cols[dcol]);
if (rcol >= schemaNCols(pSchema)) {
tdAppendValToDataCol(pDataCol, TD_VTYPE_NULL, NULL, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode);
tdAppendValToDataCol(pDataCol, TD_VTYPE_NULL, NULL, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode,
isMerge);
++dcol;
continue;
}
......@@ -480,22 +523,26 @@ static int32_t tdAppendTpRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols
if (tdGetTpRowValOfCol(&sVal, pRow, pBitmap, pRowCol->type, pRowCol->offset - sizeof(TSKEY), rcol - 1) < 0) {
return terrno;
}
tdAppendValToDataCol(pDataCol, sVal.valType, sVal.val, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode);
tdAppendValToDataCol(pDataCol, sVal.valType, sVal.val, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode,
isMerge);
++dcol;
++rcol;
} else if (pRowCol->colId < pDataCol->colId) {
++rcol;
} else {
tdAppendValToDataCol(pDataCol, TD_VTYPE_NULL, NULL, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode);
tdAppendValToDataCol(pDataCol, TD_VTYPE_NULL, NULL, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode,
isMerge);
++dcol;
}
}
#if 0
++pCols->numOfRows;
#endif
return TSDB_CODE_SUCCESS;
}
// internal
static int32_t tdAppendKvRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols *pCols) {
static int32_t tdAppendKvRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols *pCols, bool isMerge) {
ASSERT(pCols->numOfRows == 0 || dataColsKeyLast(pCols) < TD_ROW_KEY(pRow));
int rcol = 0;
......@@ -506,12 +553,14 @@ static int32_t tdAppendKvRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols
SDataCol *pDataCol = &(pCols->cols[0]);
ASSERT(pDataCol->colId == PRIMARYKEY_TIMESTAMP_COL_ID);
tdAppendValToDataCol(pDataCol, TD_VTYPE_NORM, &pRow->ts, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode);
tdAppendValToDataCol(pDataCol, TD_VTYPE_NORM, &pRow->ts, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode,
isMerge);
while (dcol < pCols->numOfCols) {
pDataCol = &(pCols->cols[dcol]);
if (rcol >= tRowCols || rcol >= tSchemaCols) {
tdAppendValToDataCol(pDataCol, TD_VTYPE_NULL, NULL, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode);
tdAppendValToDataCol(pDataCol, TD_VTYPE_NULL, NULL, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode,
isMerge);
++dcol;
continue;
}
......@@ -527,17 +576,21 @@ static int32_t tdAppendKvRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols
if (tdGetKvRowValOfCol(&sVal, pRow, pBitmap, pIdx->offset, colIdx) < 0) {
return terrno;
}
tdAppendValToDataCol(pDataCol, sVal.valType, sVal.val, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode);
tdAppendValToDataCol(pDataCol, sVal.valType, sVal.val, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode,
isMerge);
++dcol;
++rcol;
} else if (pIdx->colId < pDataCol->colId) {
++rcol;
} else {
tdAppendValToDataCol(pDataCol, TD_VTYPE_NULL, NULL, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode);
tdAppendValToDataCol(pDataCol, TD_VTYPE_NULL, NULL, pCols->numOfRows, pCols->maxPoints, pCols->bitmapMode,
isMerge);
++dcol;
}
}
#if 0
++pCols->numOfRows;
#endif
return TSDB_CODE_SUCCESS;
}
......@@ -548,20 +601,30 @@ static int32_t tdAppendKvRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols
* @param pRow
* @param pSchema
* @param pCols
* @param forceSetNull
*/
int32_t tdAppendSTSRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols *pCols) {
int32_t tdAppendSTSRowToDataCol(STSRow *pRow, STSchema *pSchema, SDataCols *pCols, bool isMerge) {
if (TD_IS_TP_ROW(pRow)) {
return tdAppendTpRowToDataCol(pRow, pSchema, pCols);
return tdAppendTpRowToDataCol(pRow, pSchema, pCols, isMerge);
} else if (TD_IS_KV_ROW(pRow)) {
return tdAppendKvRowToDataCol(pRow, pSchema, pCols);
return tdAppendKvRowToDataCol(pRow, pSchema, pCols, isMerge);
} else {
ASSERT(0);
}
return TSDB_CODE_SUCCESS;
}
int tdMergeDataCols(SDataCols *target, SDataCols *source, int rowsToMerge, int *pOffset, bool forceSetNull,
/**
* @brief source data has more priority than target
*
* @param target
* @param source
* @param rowsToMerge
* @param pOffset
* @param update
* @param maxVer
* @return int
*/
int tdMergeDataCols(SDataCols *target, SDataCols *source, int rowsToMerge, int *pOffset, bool update,
TDRowVerT maxVer) {
ASSERT(rowsToMerge > 0 && rowsToMerge <= source->numOfRows);
ASSERT(target->numOfCols == source->numOfCols);
......@@ -576,17 +639,38 @@ int tdMergeDataCols(SDataCols *target, SDataCols *source, int rowsToMerge, int *
if ((target->numOfRows == 0) || (dataColsKeyLast(target) < dataColsKeyAtRow(source, *pOffset))) { // No overlap
ASSERT(target->numOfRows + rowsToMerge <= target->maxPoints);
// TODO: filter the maxVer
for (int i = 0; i < rowsToMerge; i++) {
TSKEY lastKey = TSKEY_INITIAL_VAL;
for (int i = 0; i < rowsToMerge; ++i) {
bool merge = false;
for (int j = 0; j < source->numOfCols; j++) {
if (source->cols[j].len > 0 || target->cols[j].len > 0) {
SCellVal sVal = {0};
if (tdGetColDataOfRow(&sVal, source->cols + j, i + (*pOffset), source->bitmapMode) < 0) {
TASSERT(0);
}
if (j == 0) {
if (lastKey == *(TSKEY *)sVal.val) {
if (!update) {
break;
}
merge = true;
} else if (lastKey != TSKEY_INITIAL_VAL) {
++target->numOfRows;
}
lastKey = *(TSKEY *)sVal.val;
}
if (i == 0) {
(target->cols + j)->bitmap = (source->cols + j)->bitmap;
}
tdAppendValToDataCol(target->cols + j, sVal.valType, sVal.val, target->numOfRows, target->maxPoints,
target->bitmapMode);
target->bitmapMode, merge);
}
}
}
if (lastKey != TSKEY_INITIAL_VAL) {
++target->numOfRows;
}
(*pOffset) += rowsToMerge;
......@@ -596,7 +680,7 @@ int tdMergeDataCols(SDataCols *target, SDataCols *source, int rowsToMerge, int *
int iter1 = 0;
tdMergeTwoDataCols(target, pTarget, &iter1, pTarget->numOfRows, source, pOffset, source->numOfRows,
pTarget->numOfRows + rowsToMerge, forceSetNull);
pTarget->numOfRows + rowsToMerge, update);
}
tdFreeDataCols(pTarget);
......@@ -607,67 +691,95 @@ _err:
return -1;
}
// src2 data has more priority than src1
static void tdAppendValToDataCols(SDataCols *target, SDataCols *src, int iter, bool isMerge) {
for (int i = 0; i < src->numOfCols; ++i) {
ASSERT(target->cols[i].type == src->cols[i].type);
if (src->cols[i].len > 0 || target->cols[i].len > 0) {
SCellVal sVal = {0};
if (tdGetColDataOfRow(&sVal, src->cols + i, iter, src->bitmapMode) < 0) {
TASSERT(0);
}
if (isMerge) {
if (!tdValTypeIsNone(sVal.valType)) {
tdAppendValToDataCol(&(target->cols[i]), sVal.valType, sVal.val, target->numOfRows, target->maxPoints,
target->bitmapMode, isMerge);
} else {
// Keep the origin value for None
}
} else {
tdAppendValToDataCol(&(target->cols[i]), sVal.valType, sVal.val, target->numOfRows, target->maxPoints,
target->bitmapMode, isMerge);
}
}
}
}
/**
* @brief src2 data has more priority than src1
*
* @param target
* @param src1
* @param iter1
* @param limit1
* @param src2
* @param iter2
* @param limit2
* @param tRows
* @param update
*/
static void tdMergeTwoDataCols(SDataCols *target, SDataCols *src1, int *iter1, int limit1, SDataCols *src2, int *iter2,
int limit2, int tRows, bool forceSetNull) {
int limit2, int tRows, bool update) {
tdResetDataCols(target);
target->bitmapMode = src1->bitmapMode;
ASSERT(limit1 <= src1->numOfRows && limit2 <= src2->numOfRows);
int32_t nRows = 0;
while (target->numOfRows < tRows) {
// TODO: filter the maxVer
// TODO: handle the delete function
TSKEY lastKey = TSKEY_INITIAL_VAL;
while (nRows < tRows) {
if (*iter1 >= limit1 && *iter2 >= limit2) break;
TSKEY key1 = (*iter1 >= limit1) ? INT64_MAX : dataColsKeyAt(src1, *iter1);
TKEY tkey1 = (*iter1 >= limit1) ? TKEY_NULL : dataColsTKeyAt(src1, *iter1);
// TKEY tkey1 = (*iter1 >= limit1) ? TKEY_NULL : dataColsTKeyAt(src1, *iter1);
TSKEY key2 = (*iter2 >= limit2) ? INT64_MAX : dataColsKeyAt(src2, *iter2);
// TKEY tkey2 = (*iter2 >= limit2) ? TKEY_NULL : dataColsTKeyAt(src2, *iter2);
ASSERT(tkey1 == TKEY_NULL || (!TKEY_IS_DELETED(tkey1)));
// TODO: filter the maxVer
if (key1 < key2) {
for (int i = 0; i < src1->numOfCols; ++i) {
ASSERT(target->cols[i].type == src1->cols[i].type);
if (src1->cols[i].len > 0 || target->cols[i].len > 0) {
SCellVal sVal = {0};
if (tdGetColDataOfRow(&sVal, src1->cols + i, *iter1, src1->bitmapMode) < 0) {
TASSERT(0);
}
tdAppendValToDataCol(&(target->cols[i]), sVal.valType, sVal.val, target->numOfRows, target->maxPoints,
target->bitmapMode);
}
}
// ASSERT(tkey1 == TKEY_NULL || (!TKEY_IS_DELETED(tkey1)));
if (key1 <= key2) {
// select key1 if not delete
if (update && (lastKey == key1)) {
tdAppendValToDataCols(target, src1, *iter1, true);
} else if (lastKey != key1) {
if (lastKey != TSKEY_INITIAL_VAL) {
++target->numOfRows;
++(*iter1);
} else if (key1 >= key2) {
// TODO: filter the maxVer
if ((key1 > key2) || ((key1 == key2) && !TKEY_IS_DELETED(key2))) {
for (int i = 0; i < src2->numOfCols; ++i) {
SCellVal sVal = {0};
ASSERT(target->cols[i].type == src2->cols[i].type);
if (tdGetColDataOfRow(&sVal, src2->cols + i, *iter2, src2->bitmapMode) < 0) {
TASSERT(0);
}
if (src2->cols[i].len > 0 && !tdValTypeIsNull(sVal.valType)) {
tdAppendValToDataCol(&(target->cols[i]), sVal.valType, sVal.val, target->numOfRows, target->maxPoints,
target->bitmapMode);
} else if (!forceSetNull && key1 == key2 && src1->cols[i].len > 0) {
if (tdGetColDataOfRow(&sVal, src1->cols + i, *iter1, src1->bitmapMode) < 0) {
TASSERT(0);
}
tdAppendValToDataCol(&(target->cols[i]), sVal.valType, sVal.val, target->numOfRows, target->maxPoints,
target->bitmapMode);
} else if (target->cols[i].len > 0) {
dataColSetNullAt(&target->cols[i], target->numOfRows, true, target->bitmapMode);
}
tdAppendValToDataCols(target, src1, *iter1, false);
}
++nRows;
++(*iter1);
lastKey = key1;
} else {
// use key2 if not deleted
// TODO: handle the delete function
if (update && (lastKey == key2)) {
tdAppendValToDataCols(target, src2, *iter2, true);
} else if (lastKey != key2) {
if (lastKey != TSKEY_INITIAL_VAL) {
++target->numOfRows;
}
tdAppendValToDataCols(target, src2, *iter2, false);
}
++nRows;
++(*iter2);
if (key1 == key2) ++(*iter1);
lastKey = key2;
}
ASSERT(target->numOfRows <= target->maxPoints);
ASSERT(target->numOfRows <= target->maxPoints - 1);
}
if (lastKey != TSKEY_INITIAL_VAL) {
++target->numOfRows;
}
}
......@@ -777,7 +889,7 @@ SDataCols *tdDupDataCols(SDataCols *pDataCols, bool keepData) {
pRet->sversion = pDataCols->sversion;
if (keepData) pRet->numOfRows = pDataCols->numOfRows;
for (int i = 0; i < pDataCols->numOfCols; i++) {
for (int i = 0; i < pDataCols->numOfCols; ++i) {
pRet->cols[i].type = pDataCols->cols[i].type;
pRet->cols[i].bitmap = pDataCols->cols[i].bitmap;
pRet->cols[i].colId = pDataCols->cols[i].colId;
......@@ -797,8 +909,7 @@ SDataCols *tdDupDataCols(SDataCols *pDataCols, bool keepData) {
memcpy(pRet->cols[i].dataOff, pDataCols->cols[i].dataOff, dataOffSize);
}
if (!TD_COL_ROWS_NORM(pRet->cols + i)) {
int32_t nBitmapBytes = (int32_t)TD_BITMAP_BYTES(pDataCols->numOfRows);
memcpy(pRet->cols[i].pBitmap, pDataCols->cols[i].pBitmap, nBitmapBytes);
memcpy(pRet->cols[i].pBitmap, pDataCols->cols[i].pBitmap, TD_BITMAP_BYTES(pDataCols->numOfRows));
}
}
}
......
source/common/src/ttypes.c
浏览文件 @ 7b68b7bc
......@@ -557,7 +557,7 @@ static const void *nullValues[] = {
};
const void *getNullValue(int32_t type) {
assert(type >= TSDB_DATA_TYPE_BOOL && type <= TSDB_DATA_TYPE_UBIGINT);
assert(type >= TSDB_DATA_TYPE_BOOL && type <= TSDB_DATA_TYPE_UBIGINT); // TODO: extend the types
return nullValues[type - 1];
}
......
source/dnode/vnode/src/inc/tsdb.h
浏览文件 @ 7b68b7bc
......@@ -273,7 +273,8 @@ typedef enum {
typedef struct {
uint8_t last : 1;
uint8_t blkVer : 7;
uint8_t hasDupKey : 1; // 0: no dup TS key, 1: has dup TS key(since supporting Multi-Version)
uint8_t blkVer : 6;
uint8_t numOfSubBlocks;
col_id_t numOfCols; // not including timestamp column
uint32_t len; // data block length
......
source/dnode/vnode/src/tsdb/tsdbCommit.c
浏览文件 @ 7b68b7bc
......@@ -1330,13 +1330,15 @@ static void tsdbLoadAndMergeFromCache(SDataCols *pDataCols, int *iter, SCommitIt
TSKEY maxKey, int maxRows, int8_t update) {
TSKEY key1 = INT64_MAX;
TSKEY key2 = INT64_MAX;
TSKEY lastKey = TSKEY_INITIAL_VAL;
STSchema *pSchema = NULL;
ASSERT(maxRows > 0 && dataColsKeyLast(pDataCols) <= maxKey);
tdResetDataCols(pTarget);
pTarget->bitmapMode = pDataCols->bitmapMode;
// TODO: filter Multi-Version
// TODO: support delete function
while (true) {
key1 = (*iter >= pDataCols->numOfRows) ? INT64_MAX : dataColsKeyAt(pDataCols, *iter);
STSRow *row = tsdbNextIterRow(pCommitIter->pIter);
......@@ -1349,6 +1351,9 @@ static void tsdbLoadAndMergeFromCache(SDataCols *pDataCols, int *iter, SCommitIt
if (key1 == INT64_MAX && key2 == INT64_MAX) break;
if (key1 < key2) {
if (lastKey != TSKEY_INITIAL_VAL) {
++pTarget->numOfRows;
}
for (int i = 0; i < pDataCols->numOfCols; ++i) {
// TODO: dataColAppendVal may fail
SCellVal sVal = {0};
......@@ -1356,10 +1361,10 @@ static void tsdbLoadAndMergeFromCache(SDataCols *pDataCols, int *iter, SCommitIt
TASSERT(0);
}
tdAppendValToDataCol(pTarget->cols + i, sVal.valType, sVal.val, pTarget->numOfRows, pTarget->maxPoints,
pTarget->bitmapMode);
pTarget->bitmapMode, false);
}
++pTarget->numOfRows;
lastKey = key1;
++(*iter);
} else if (key1 > key2) {
if (pSchema == NULL || schemaVersion(pSchema) != TD_ROW_SVER(row)) {
......@@ -1367,7 +1372,17 @@ static void tsdbLoadAndMergeFromCache(SDataCols *pDataCols, int *iter, SCommitIt
ASSERT(pSchema != NULL);
}
tdAppendSTSRowToDataCol(row, pSchema, pTarget);
if (key2 == lastKey) {
if (TD_SUPPORT_UPDATE(update)) {
tdAppendSTSRowToDataCol(row, pSchema, pTarget, true);
}
} else {
if (lastKey != TSKEY_INITIAL_VAL) {
++pTarget->numOfRows;
}
tdAppendSTSRowToDataCol(row, pSchema, pTarget, false);
lastKey = key2;
}
tSkipListIterNext(pCommitIter->pIter);
} else {
......@@ -1397,6 +1412,12 @@ static void tsdbLoadAndMergeFromCache(SDataCols *pDataCols, int *iter, SCommitIt
++(*iter);
tSkipListIterNext(pCommitIter->pIter);
#endif
if(lastKey != key1) {
lastKey = key1;
++pTarget->numOfRows;
}
// copy disk data
for (int i = 0; i < pDataCols->numOfCols; ++i) {
SCellVal sVal = {0};
......@@ -1405,7 +1426,7 @@ static void tsdbLoadAndMergeFromCache(SDataCols *pDataCols, int *iter, SCommitIt
}
// TODO: tdAppendValToDataCol may fail
tdAppendValToDataCol(pTarget->cols + i, sVal.valType, sVal.val, pTarget->numOfRows, pTarget->maxPoints,
pTarget->bitmapMode);
pTarget->bitmapMode, false);
}
if (TD_SUPPORT_UPDATE(update)) {
......@@ -1416,26 +1437,17 @@ static void tsdbLoadAndMergeFromCache(SDataCols *pDataCols, int *iter, SCommitIt
}
// TODO: merge with Multi-Version
STSRow *curRow = row;
++(*iter);
tSkipListIterNext(pCommitIter->pIter);
STSRow *nextRow = tsdbNextIterRow(pCommitIter->pIter);
if (key2 < TD_ROW_KEY(nextRow)) {
tdAppendSTSRowToDataCol(row, pSchema, pTarget);
} else {
tdAppendSTSRowToDataCol(row, pSchema, pTarget);
tdAppendSTSRowToDataCol(row, pSchema, pTarget, true);
}
// TODO: merge with Multi-Version
} else {
++pTarget->numOfRows;
++(*iter);
tSkipListIterNext(pCommitIter->pIter);
}
if (pTarget->numOfRows >= (maxRows - 1)) break;
}
if (pTarget->numOfRows >= maxRows) break;
if (lastKey != TSKEY_INITIAL_VAL) {
++pTarget->numOfRows;
}
}
......
source/dnode/vnode/src/tsdb/tsdbMemTable.c
浏览文件 @ 7b68b7bc
......@@ -20,7 +20,7 @@ static void tsdbFreeTbData(STbData *pTbData);
static char *tsdbGetTsTupleKey(const void *data);
static int tsdbTbDataComp(const void *arg1, const void *arg2);
static char *tsdbTbDataGetUid(const void *arg);
static int tsdbAppendTableRowToCols(STable *pTable, SDataCols *pCols, STSchema **ppSchema, STSRow *row);
static int tsdbAppendTableRowToCols(STable *pTable, SDataCols *pCols, STSchema **ppSchema, STSRow *row, bool merge);
int tsdbMemTableCreate(STsdb *pTsdb, STsdbMemTable **ppMemTable) {
STsdbMemTable *pMemTable;
......@@ -85,11 +85,16 @@ int tsdbLoadDataFromCache(STable *pTable, SSkipListIterator *pIter, TSKEY maxKey
STSchema *pSchema = NULL;
TSKEY rowKey = 0;
TSKEY fKey = 0;
// only fetch lastKey from mem data as file data not used in this function actually
TSKEY lastKey = TSKEY_INITIAL_VAL;
bool isRowDel = false;
int filterIter = 0;
STSRow *row = NULL;
SMergeInfo mInfo;
// TODO: support Multi-Version(the rows with the same TS keys in memory can't be merged if its version refered by
// query handle)
if (pMergeInfo == NULL) pMergeInfo = &mInfo;
memset(pMergeInfo, 0, sizeof(*pMergeInfo));
......@@ -111,7 +116,8 @@ int tsdbLoadDataFromCache(STable *pTable, SSkipListIterator *pIter, TSKEY maxKey
} else {
fKey = tdGetKey(filterKeys[filterIter]);
}
// 1. fkey - no dup since merged up to maxVersion of each query handle by tsdbLoadBlockDataCols
// 2. rowKey - would dup since Multi-Version supported
while (true) {
if (fKey == INT64_MAX && rowKey == INT64_MAX) break;
......@@ -125,12 +131,14 @@ int tsdbLoadDataFromCache(STable *pTable, SSkipListIterator *pIter, TSKEY maxKey
} else {
fKey = tdGetKey(filterKeys[filterIter]);
}
#if 0
} else if (fKey > rowKey) {
if (isRowDel) {
pMergeInfo->rowsDeleteFailed++;
} else {
if (pMergeInfo->rowsInserted - pMergeInfo->rowsDeleteSucceed >= maxRowsToRead) break;
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
pMergeInfo->rowsInserted++;
pMergeInfo->nOperations++;
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, rowKey);
......@@ -185,6 +193,94 @@ int tsdbLoadDataFromCache(STable *pTable, SSkipListIterator *pIter, TSKEY maxKey
fKey = tdGetKey(filterKeys[filterIter]);
}
}
#endif
#if 1
} else if (fKey > rowKey) {
if (isRowDel) {
// TODO: support delete function
pMergeInfo->rowsDeleteFailed++;
} else {
if (pMergeInfo->rowsInserted - pMergeInfo->rowsDeleteSucceed >= maxRowsToRead) break;
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
if (lastKey != rowKey) {
pMergeInfo->rowsInserted++;
pMergeInfo->nOperations++;
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, rowKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, rowKey);
if (pCols) {
if (lastKey != TSKEY_INITIAL_VAL) {
++pCols->numOfRows;
}
tsdbAppendTableRowToCols(pTable, pCols, &pSchema, row, false);
}
lastKey = rowKey;
} else {
if (keepDup) {
tsdbAppendTableRowToCols(pTable, pCols, &pSchema, row, true);
} else {
// discard
}
}
}
tSkipListIterNext(pIter);
row = tsdbNextIterRow(pIter);
if (row == NULL || TD_ROW_KEY(row) > maxKey) {
rowKey = INT64_MAX;
isRowDel = false;
} else {
rowKey = TD_ROW_KEY(row);
isRowDel = TD_ROW_IS_DELETED(row);
}
} else { // fkey == rowKey
if (isRowDel) { // TODO: support delete function(How to stands for delete in file? rowVersion = -1?)
ASSERT(!keepDup);
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
pMergeInfo->rowsDeleteSucceed++;
pMergeInfo->nOperations++;
tsdbAppendTableRowToCols(pTable, pCols, &pSchema, row, false);
} else {
if (keepDup) {
if (pCols && pMergeInfo->nOperations >= pCols->maxPoints) break;
if (lastKey != rowKey) {
pMergeInfo->rowsUpdated++;
pMergeInfo->nOperations++;
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, rowKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, rowKey);
lastKey = rowKey;
++pCols->numOfRows;
tsdbAppendTableRowToCols(pTable, pCols, &pSchema, row, false);
} else {
tsdbAppendTableRowToCols(pTable, pCols, &pSchema, row, true);
}
} else {
pMergeInfo->keyFirst = TMIN(pMergeInfo->keyFirst, fKey);
pMergeInfo->keyLast = TMAX(pMergeInfo->keyLast, fKey);
}
}
tSkipListIterNext(pIter);
row = tsdbNextIterRow(pIter);
if (row == NULL || TD_ROW_KEY(row) > maxKey) {
rowKey = INT64_MAX;
isRowDel = false;
} else {
rowKey = TD_ROW_KEY(row);
isRowDel = TD_ROW_IS_DELETED(row);
}
filterIter++;
if (filterIter >= nFilterKeys) {
fKey = INT64_MAX;
} else {
fKey = tdGetKey(filterKeys[filterIter]);
}
}
#endif
}
if (lastKey != TSKEY_INITIAL_VAL) {
++pCols->numOfRows;
}
return 0;
......@@ -254,9 +350,12 @@ static STbData *tsdbNewTbData(tb_uid_t uid) {
pTbData->keyMin = TSKEY_MAX;
pTbData->keyMax = TSKEY_MIN;
pTbData->nrows = 0;
#if 0
pTbData->pData = tSkipListCreate(5, TSDB_DATA_TYPE_TIMESTAMP, sizeof(int64_t), tkeyComparFn, SL_DISCARD_DUP_KEY,
tsdbGetTsTupleKey);
#endif
pTbData->pData =
tSkipListCreate(5, TSDB_DATA_TYPE_TIMESTAMP, sizeof(int64_t), tkeyComparFn, SL_ALLOW_DUP_KEY, tsdbGetTsTupleKey);
if (pTbData->pData == NULL) {
taosMemoryFree(pTbData);
return NULL;
......@@ -291,7 +390,7 @@ static char *tsdbTbDataGetUid(const void *arg) {
STbData *pTbData = (STbData *)arg;
return (char *)(&(pTbData->uid));
}
static int tsdbAppendTableRowToCols(STable *pTable, SDataCols *pCols, STSchema **ppSchema, STSRow *row) {
static int tsdbAppendTableRowToCols(STable *pTable, SDataCols *pCols, STSchema **ppSchema, STSRow *row, bool merge) {
if (pCols) {
if (*ppSchema == NULL || schemaVersion(*ppSchema) != TD_ROW_SVER(row)) {
*ppSchema = tsdbGetTableSchemaImpl(pTable, false, false, TD_ROW_SVER(row));
......@@ -301,7 +400,7 @@ static int tsdbAppendTableRowToCols(STable *pTable, SDataCols *pCols, STSchema *
}
}
tdAppendSTSRowToDataCol(row, *ppSchema, pCols);
tdAppendSTSRowToDataCol(row, *ppSchema, pCols, merge);
}
return 0;
......
source/dnode/vnode/src/tsdb/tsdbReadImpl.c
浏览文件 @ 7b68b7bc
......@@ -246,6 +246,12 @@ int tsdbLoadBlockInfo(SReadH *pReadh, void *pTarget) {
return 0;
}
static FORCE_INLINE void tsdbSwapDataCols(SDataCols *pDest, SDataCols *pSrc) {
SDataCol *pCols = pDest->cols;
memcpy(pDest, pSrc, sizeof(SDataCols));
pSrc->cols = pCols;
}
int tsdbLoadBlockData(SReadH *pReadh, SBlock *pBlock, SBlockInfo *pBlkInfo) {
ASSERT(pBlock->numOfSubBlocks > 0);
STsdbCfg *pCfg = REPO_CFG(pReadh->pRepo);
......@@ -266,17 +272,29 @@ int tsdbLoadBlockData(SReadH *pReadh, SBlock *pBlock, SBlockInfo *pBlkInfo) {
if (tsdbLoadBlockDataImpl(pReadh, iBlock, pReadh->pDCols[1]) < 0) return -1;
// TODO: use the real maxVersion to replace the UINT64_MAX to support Multi-Version
if (tdMergeDataCols(pReadh->pDCols[0], pReadh->pDCols[1], pReadh->pDCols[1]->numOfRows, NULL,
update != TD_ROW_PARTIAL_UPDATE, UINT64_MAX) < 0)
TD_SUPPORT_UPDATE(update), TD_VER_MAX) < 0)
return -1;
}
// if ((pBlock->numOfSubBlocks == 1) && (iBlock->hasDupKey)) { // TODO: use this line
if (pBlock->numOfSubBlocks == 1) {
tdResetDataCols(pReadh->pDCols[1]);
pReadh->pDCols[1]->bitmapMode = pReadh->pDCols[0]->bitmapMode;
if (tdMergeDataCols(pReadh->pDCols[1], pReadh->pDCols[0], pReadh->pDCols[0]->numOfRows, NULL,
TD_SUPPORT_UPDATE(update), TD_VER_MAX) < 0) {
return -1;
}
tsdbSwapDataCols(pReadh->pDCols[0], pReadh->pDCols[1]);
ASSERT(pReadh->pDCols[0]->bitmapMode != 0);
}
ASSERT(pReadh->pDCols[0]->numOfRows == pBlock->numOfRows);
ASSERT(pReadh->pDCols[0]->numOfRows <= pBlock->numOfRows);
ASSERT(dataColsKeyFirst(pReadh->pDCols[0]) == pBlock->keyFirst);
ASSERT(dataColsKeyLast(pReadh->pDCols[0]) == pBlock->keyLast);
return 0;
}
// TODO: filter by Multi-Version
int tsdbLoadBlockDataCols(SReadH *pReadh, SBlock *pBlock, SBlockInfo *pBlkInfo, const int16_t *colIds, int numOfColsIds,
bool mergeBitmap) {
ASSERT(pBlock->numOfSubBlocks > 0);
......@@ -297,9 +315,21 @@ int tsdbLoadBlockDataCols(SReadH *pReadh, SBlock *pBlock, SBlockInfo *pBlkInfo,
if (tsdbLoadBlockDataColsImpl(pReadh, iBlock, pReadh->pDCols[1], colIds, numOfColsIds) < 0) return -1;
// TODO: use the real maxVersion to replace the UINT64_MAX to support Multi-Version
if (tdMergeDataCols(pReadh->pDCols[0], pReadh->pDCols[1], pReadh->pDCols[1]->numOfRows, NULL,
update != TD_ROW_PARTIAL_UPDATE, UINT64_MAX) < 0)
TD_SUPPORT_UPDATE(update), TD_VER_MAX) < 0)
return -1;
}
// if ((pBlock->numOfSubBlocks == 1) && (iBlock->hasDupKey)) { // TODO: use this line
if (pBlock->numOfSubBlocks == 1) {
tdResetDataCols(pReadh->pDCols[1]);
pReadh->pDCols[1]->bitmapMode = pReadh->pDCols[0]->bitmapMode;
if (tdMergeDataCols(pReadh->pDCols[1], pReadh->pDCols[0], pReadh->pDCols[0]->numOfRows, NULL,
TD_SUPPORT_UPDATE(update), TD_VER_MAX) < 0) {
return -1;
}
tsdbSwapDataCols(pReadh->pDCols[0], pReadh->pDCols[1]);
ASSERT(pReadh->pDCols[0]->bitmapMode != 0);
}
if (mergeBitmap && !tdDataColsIsBitmapI(pReadh->pDCols[0])) {
for (int i = 0; i < numOfColsIds; ++i) {
......@@ -312,7 +342,7 @@ int tsdbLoadBlockDataCols(SReadH *pReadh, SBlock *pBlock, SBlockInfo *pBlkInfo,
}
}
ASSERT(pReadh->pDCols[0]->numOfRows == pBlock->numOfRows);
ASSERT(pReadh->pDCols[0]->numOfRows <= pBlock->numOfRows);
ASSERT(dataColsKeyFirst(pReadh->pDCols[0]) == pBlock->keyFirst);
ASSERT(dataColsKeyLast(pReadh->pDCols[0]) == pBlock->keyLast);
......@@ -623,15 +653,15 @@ static int tsdbLoadBlockDataImpl(SReadH *pReadh, SBlock *pBlock, SDataCols *pDat
}
if (dcol != 0) {
ccol++;
++ccol;
}
dcol++;
++dcol;
} else if (tcolId < pDataCol->colId) {
ccol++;
++ccol;
} else {
// Set current column as NULL and forward
dataColReset(pDataCol);
dcol++;
++dcol;
}
}
......
source/dnode/vnode/src/tsdb/tsdbSma.c
浏览文件 @ 7b68b7bc
......@@ -1635,17 +1635,20 @@ int32_t tsdbCreateTSma(STsdb *pTsdb, char *pMsg) {
SSmaCfg vCreateSmaReq = {0};
if (!tDeserializeSVCreateTSmaReq(pMsg, &vCreateSmaReq)) {
terrno = TSDB_CODE_OUT_OF_MEMORY;
tsdbWarn("vgId:%d TDMT_VND_CREATE_SMA received but deserialize failed since %s", REPO_ID(pTsdb), terrstr(terrno));
tsdbWarn("vgId:%d tsma create msg received but deserialize failed since %s", REPO_ID(pTsdb), terrstr(terrno));
return -1;
}
tsdbDebug("vgId:%d TDMT_VND_CREATE_SMA msg received for %s:%" PRIi64, REPO_ID(pTsdb), vCreateSmaReq.tSma.indexName,
vCreateSmaReq.tSma.indexUid);
tsdbDebug("vgId:%d tsma create msg %s:%" PRIi64 " for table %" PRIi64 " received", REPO_ID(pTsdb),
vCreateSmaReq.tSma.indexName, vCreateSmaReq.tSma.indexUid, vCreateSmaReq.tSma.tableUid);
// record current timezone of server side
vCreateSmaReq.tSma.timezoneInt = tsTimezone;
if (metaCreateTSma(REPO_META(pTsdb), &vCreateSmaReq) < 0) {
// TODO: handle error
tsdbWarn("vgId:%d tsma %s:%" PRIi64 " create failed for table %" PRIi64 " since %s", REPO_ID(pTsdb),
vCreateSmaReq.tSma.indexName, vCreateSmaReq.tSma.indexUid, vCreateSmaReq.tSma.tableUid, terrstr(terrno));
tdDestroyTSma(&vCreateSmaReq.tSma);
return -1;
}
......
tests/script/tsim/query/scalarFunction.sim
浏览文件 @ 7b68b7bc
......@@ -102,20 +102,26 @@ print ====> $data60 $data61 $data62 $data63 $data64 $data65
print ====> $data70 $data71 $data72 $data73 $data74 $data75
print ====> $data80 $data81 $data82 $data83 $data84 $data85
print ====> $data90 $data91 $data92 $data93 $data94 $data95
print ====> rows = $rows and rowNum = $rowNum for ct1
if $rows != $rowNum then
return -1
endi
print ====> select c1, abs(c1), c2, abs(c2), c3, abs(c3) from stb
sql select c1, abs(c1), c2, abs(c2), c3, abs(c3) from stb
print ====> rows = $rows and totalRows = $totalRows for stb
if $rows != $totalRows then
return -1
endi
print ====> select c1, abs(c1), c2, abs(c2), c3, abs(c3) from ntb
sql select c1, abs(c1), c2, abs(c2), c3, abs(c3) from ntb
print ====> rows = $rows and rowNum = $rowNum for ntb
if $rows != $rowNum then
return -1
endi
print ====> log
sql select c1, log(c1, 10), c2, log(c2, 10), c3, log(c3, 10) from ct1
print ====> select c1, log(c1, 10), c2, log(c2, 10), c3, log(c3, 10) from ct1
......
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