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TD-2571

This commit is contained in:
yihaoDeng 2021-01-14 11:10:27 +00:00
parent 72719cc686
commit 5342e859f7
6 changed files with 1786 additions and 1870 deletions
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199
src/inc/ttokendef.h
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@ -16,6 +16,7 @@
#ifndef TDENGINE_TTOKENDEF_H
#define TDENGINE_TTOKENDEF_H
#define TK_ID 1
#define TK_BOOL 2
#define TK_TINYINT 3
@ -126,105 +127,105 @@
#define TK_SELECT 108
#define TK_UNION 109
#define TK_ALL 110
#define TK_FROM 111
#define TK_VARIABLE 112
#define TK_INTERVAL 113
#define TK_FILL 114
#define TK_SLIDING 115
#define TK_ORDER 116
#define TK_BY 117
#define TK_ASC 118
#define TK_DESC 119
#define TK_GROUP 120
#define TK_HAVING 121
#define TK_LIMIT 122
#define TK_OFFSET 123
#define TK_SLIMIT 124
#define TK_SOFFSET 125
#define TK_WHERE 126
#define TK_NOW 127
#define TK_RESET 128
#define TK_QUERY 129
#define TK_ADD 130
#define TK_COLUMN 131
#define TK_TAG 132
#define TK_CHANGE 133
#define TK_SET 134
#define TK_KILL 135
#define TK_CONNECTION 136
#define TK_STREAM 137
#define TK_COLON 138
#define TK_ABORT 139
#define TK_AFTER 140
#define TK_ATTACH 141
#define TK_BEFORE 142
#define TK_BEGIN 143
#define TK_CASCADE 144
#define TK_CLUSTER 145
#define TK_CONFLICT 146
#define TK_COPY 147
#define TK_DEFERRED 148
#define TK_DELIMITERS 149
#define TK_DETACH 150
#define TK_EACH 151
#define TK_END 152
#define TK_EXPLAIN 153
#define TK_FAIL 154
#define TK_FOR 155
#define TK_IGNORE 156
#define TK_IMMEDIATE 157
#define TK_INITIALLY 158
#define TK_INSTEAD 159
#define TK_MATCH 160
#define TK_KEY 161
#define TK_OF 162
#define TK_RAISE 163
#define TK_REPLACE 164
#define TK_RESTRICT 165
#define TK_ROW 166
#define TK_STATEMENT 167
#define TK_TRIGGER 168
#define TK_VIEW 169
#define TK_COUNT 170
#define TK_SUM 171
#define TK_AVG 172
#define TK_MIN 173
#define TK_MAX 174
#define TK_FIRST 175
#define TK_LAST 176
#define TK_TOP 177
#define TK_BOTTOM 178
#define TK_STDDEV 179
#define TK_PERCENTILE 180
#define TK_APERCENTILE 181
#define TK_LEASTSQUARES 182
#define TK_HISTOGRAM 183
#define TK_DIFF 184
#define TK_SPREAD 185
#define TK_TWA 186
#define TK_INTERP 187
#define TK_LAST_ROW 188
#define TK_RATE 189
#define TK_IRATE 190
#define TK_SUM_RATE 191
#define TK_SUM_IRATE 192
#define TK_AVG_RATE 193
#define TK_AVG_IRATE 194
#define TK_TBID 195
#define TK_SEMI 196
#define TK_NONE 197
#define TK_PREV 198
#define TK_LINEAR 199
#define TK_IMPORT 200
#define TK_METRIC 201
#define TK_TBNAME 202
#define TK_JOIN 203
#define TK_METRICS 204
#define TK_STABLE 205
#define TK_INSERT 206
#define TK_INTO 207
#define TK_VALUES 208
#define TK_DISTINCT 111
#define TK_FROM 112
#define TK_VARIABLE 113
#define TK_INTERVAL 114
#define TK_FILL 115
#define TK_SLIDING 116
#define TK_ORDER 117
#define TK_BY 118
#define TK_ASC 119
#define TK_DESC 120
#define TK_GROUP 121
#define TK_HAVING 122
#define TK_LIMIT 123
#define TK_OFFSET 124
#define TK_SLIMIT 125
#define TK_SOFFSET 126
#define TK_WHERE 127
#define TK_NOW 128
#define TK_RESET 129
#define TK_QUERY 130
#define TK_ADD 131
#define TK_COLUMN 132
#define TK_TAG 133
#define TK_CHANGE 134
#define TK_SET 135
#define TK_KILL 136
#define TK_CONNECTION 137
#define TK_STREAM 138
#define TK_COLON 139
#define TK_ABORT 140
#define TK_AFTER 141
#define TK_ATTACH 142
#define TK_BEFORE 143
#define TK_BEGIN 144
#define TK_CASCADE 145
#define TK_CLUSTER 146
#define TK_CONFLICT 147
#define TK_COPY 148
#define TK_DEFERRED 149
#define TK_DELIMITERS 150
#define TK_DETACH 151
#define TK_EACH 152
#define TK_END 153
#define TK_EXPLAIN 154
#define TK_FAIL 155
#define TK_FOR 156
#define TK_IGNORE 157
#define TK_IMMEDIATE 158
#define TK_INITIALLY 159
#define TK_INSTEAD 160
#define TK_MATCH 161
#define TK_KEY 162
#define TK_OF 163
#define TK_RAISE 164
#define TK_REPLACE 165
#define TK_RESTRICT 166
#define TK_ROW 167
#define TK_STATEMENT 168
#define TK_TRIGGER 169
#define TK_VIEW 170
#define TK_COUNT 171
#define TK_SUM 172
#define TK_AVG 173
#define TK_MIN 174
#define TK_MAX 175
#define TK_FIRST 176
#define TK_LAST 177
#define TK_TOP 178
#define TK_BOTTOM 179
#define TK_STDDEV 180
#define TK_PERCENTILE 181
#define TK_APERCENTILE 182
#define TK_LEASTSQUARES 183
#define TK_HISTOGRAM 184
#define TK_DIFF 185
#define TK_SPREAD 186
#define TK_TWA 187
#define TK_INTERP 188
#define TK_LAST_ROW 189
#define TK_RATE 190
#define TK_IRATE 191
#define TK_SUM_RATE 192
#define TK_SUM_IRATE 193
#define TK_AVG_RATE 194
#define TK_AVG_IRATE 195
#define TK_TBID 196
#define TK_SEMI 197
#define TK_NONE 198
#define TK_PREV 199
#define TK_LINEAR 200
#define TK_IMPORT 201
#define TK_METRIC 202
#define TK_TBNAME 203
#define TK_JOIN 204
#define TK_METRICS 205
#define TK_STABLE 206
#define TK_INSERT 207
#define TK_INTO 208
#define TK_VALUES 209
#define TK_SPACE 300

3
src/query/inc/qSqlparser.h
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@ -206,6 +206,7 @@ typedef struct tSQLExpr {
typedef struct tSqlExprItem {
tSQLExpr *pNode; // The list of expressions
char * aliasName; // alias name, null-terminated string
bool distinct;
} tSqlExprItem;
// todo refactor by using SArray
@ -238,7 +239,7 @@ tSQLExpr *tSqlExprCreate(tSQLExpr *pLeft, tSQLExpr *pRight, int32_t optrType);
void tSqlExprDestroy(tSQLExpr *pExpr);
tSQLExprList *tSqlExprListAppend(tSQLExprList *pList, tSQLExpr *pNode, SStrToken *pToken);
tSQLExprList *tSqlExprListAppend(tSQLExprList *pList, tSQLExpr *pNode, SStrToken *pDistinct, SStrToken *pToken);
void tSqlExprListDestroy(tSQLExprList *pList);

14
src/query/inc/sql.y
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@ -448,13 +448,13 @@ select(A) ::= SELECT(T) selcollist(W). {
%destructor sclp {tSqlExprListDestroy($$);}
sclp(A) ::= selcollist(X) COMMA. {A = X;}
sclp(A) ::= . {A = 0;}
selcollist(A) ::= sclp(P) expr(X) as(Y). {
A = tSqlExprListAppend(P, X, Y.n?&Y:0);
selcollist(A) ::= sclp(P) distinct(Z) expr(X) as(Y). {
A = tSqlExprListAppend(P, X, Z.n? &Z:0, Y.n?&Y:0);
}
selcollist(A) ::= sclp(P) STAR. {
tSQLExpr *pNode = tSqlExprIdValueCreate(NULL, TK_ALL);
A = tSqlExprListAppend(P, pNode, 0);
A = tSqlExprListAppend(P, pNode, 0, 0);
}
// An option "AS <id>" phrase that can follow one of the expressions that
@ -465,6 +465,10 @@ as(X) ::= AS ids(Y). { X = Y; }
as(X) ::= ids(Y). { X = Y; }
as(X) ::= . { X.n = 0; }
%type distinct {SStrToken}
distinct(X) ::= DISTINCT(Y). { X = Y; }
distinct(X) ::= . { X.n = 0;}
// A complete FROM clause.
%type from {SArray*}
// current not support query from no-table
@ -672,8 +676,8 @@ expr(A) ::= expr(X) IN LP exprlist(Y) RP. {A = tSqlExprCreate(X, (tSQLExpr*)Y,
%type expritem {tSQLExpr*}
%destructor expritem {tSqlExprDestroy($$);}
exprlist(A) ::= exprlist(X) COMMA expritem(Y). {A = tSqlExprListAppend(X,Y,0);}
exprlist(A) ::= expritem(X). {A = tSqlExprListAppend(0,X,0);}
exprlist(A) ::= exprlist(X) COMMA expritem(Y). {A = tSqlExprListAppend(X,Y,0, 0);}
exprlist(A) ::= expritem(X). {A = tSqlExprListAppend(0,X,0, 0);}
expritem(A) ::= expr(X). {A = X;}
expritem(A) ::= . {A = 0;}

3
src/query/src/qParserImpl.c
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@ -71,7 +71,7 @@ abort_parse:
return sqlInfo;
}
tSQLExprList *tSqlExprListAppend(tSQLExprList *pList, tSQLExpr *pNode, SStrToken *pToken) {
tSQLExprList *tSqlExprListAppend(tSQLExprList *pList, tSQLExpr *pNode, SStrToken *pDistinct, SStrToken *pToken) {
if (pList == NULL) {
pList = calloc(1, sizeof(tSQLExprList));
}
@ -97,6 +97,7 @@ tSQLExprList *tSqlExprListAppend(tSQLExprList *pList, tSQLExpr *pNode, SStrToken
strdequote(pItem->aliasName);
}
pItem->distinct = (pDistinct != NULL);
}
return pList;
}

1
src/query/src/qTokenizer.c
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@ -240,6 +240,7 @@ static SKeyword keywordTable[] = {
{"AVG_RATE", TK_AVG_RATE},
{"AVG_IRATE", TK_AVG_IRATE},
{"CACHELAST", TK_CACHELAST},
{"DISTINCT", TK_DISTINCT},
};
static const char isIdChar[] = {

3218
src/query/src/sql.c
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