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enh: downgrade value node type

This commit is contained in:
dapan1121 2022-08-06 19:43:35 +08:00
parent 10281b36ae
commit 34aab8ea62
2 changed files with 20 additions and 0 deletions
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3
source/libs/scalar/inc/sclInt.h
View File

@ -31,6 +31,7 @@ typedef struct SOperatorValueType {
typedef struct SScalarCtx {
int32_t code;
bool dual;
bool compOp;
SArray *pBlockList; /* element is SSDataBlock* */
SHashObj *pRes; /* element is SScalarParam */
void *param; // additional parameter (meta actually) for acquire value such as tbname/tags values
@ -45,6 +46,8 @@ typedef struct SScalarCtx {
#define SCL_IS_CONST_CALC(_ctx) (NULL == (_ctx)->pBlockList)
//#define SCL_IS_NULL_VALUE_NODE(_node) ((QUERY_NODE_VALUE == nodeType(_node)) && (TSDB_DATA_TYPE_NULL == ((SValueNode *)_node)->node.resType.type) && (((SValueNode *)_node)->placeholderNo <= 0))
#define SCL_IS_NULL_VALUE_NODE(_node) ((QUERY_NODE_VALUE == nodeType(_node)) && (TSDB_DATA_TYPE_NULL == ((SValueNode *)_node)->node.resType.type))
#define SCL_IS_COMPARISON_OPERATOR(_opType) ((_opType) >= OP_TYPE_GREATER_THAN && (_opType) < OP_TYPE_IS_NOT_UNKNOWN)
#define SCL_DOWNGRADE_DATETYPE(_type) ((_type) == TSDB_DATA_TYPE_BIGINT || TSDB_DATA_TYPE_DOUBLE == (_type) || (_type) == TSDB_DATA_TYPE_UBIGINT)
#define sclFatal(...) qFatal(__VA_ARGS__)
#define sclError(...) qError(__VA_ARGS__)

17
source/libs/scalar/src/scalar.c
View File

@ -219,6 +219,18 @@ void sclFreeParamList(SScalarParam *param, int32_t paramNum) {
taosMemoryFree(param);
}
void sclDowngradeValueType(SValueNode *valueNode) {
switch (valueNode->node.resType.type) {
case TSDB_DATA_TYPE_BIGINT: {
}
case TSDB_DATA_TYPE_UBIGINT:
case TSDB_DATA_TYPE_DOUBLE:
default:
break;
}
}
int32_t sclInitParam(SNode* node, SScalarParam *param, SScalarCtx *ctx, int32_t *rowNum) {
switch (nodeType(node)) {
case QUERY_NODE_LEFT_VALUE: {
@ -231,6 +243,10 @@ int32_t sclInitParam(SNode* node, SScalarParam *param, SScalarCtx *ctx, int32_t
ASSERT(param->columnData == NULL);
param->numOfRows = 1;
if (ctx->compOp && SCL_DOWNGRADE_DATETYPE(valueNode->node.resType.type)) {
sclDowngradeValueType(valueNode);
}
/*int32_t code = */sclCreateColumnInfoData(&valueNode->node.resType, 1, param);
if (TSDB_DATA_TYPE_NULL == valueNode->node.resType.type || valueNode->isNull) {
colDataAppendNULL(param->columnData, 0);
@ -437,6 +453,7 @@ int32_t sclInitOperatorParams(SScalarParam **pParams, SOperatorNode *node, SScal
}
sclSetOperatorValueType(node, ctx);
ctx->compOp = SCL_IS_COMPARISON_OPERATOR(node->opType);
SCL_ERR_JRET(sclInitParam(node->pLeft, &paramList[0], ctx, rowNum));
if (paramNum > 1) {