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Code simplifications. New test cases.

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FossilOrigin-Name: 57508518ef9d003d259ba98dcc32e5104aca26731a7161808741fe10bc0830d0
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drh
2018-02-26 21:26:27 +00:00
parent 171d16bb21
commit 43c4ac8bfe
8 changed files with 84 additions and 44 deletions
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4
src/sqliteInt.h
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@@ -2387,8 +2387,7 @@ struct Expr {
** TK_REGISTER: register number
** TK_TRIGGER: 1 -> new, 0 -> old
** EP_Unlikely: 134217728 times likelihood
** TK_SELECT: 1st register of result vector
** TK_TRUEFALSE: 1 for true, 0 for false */
** TK_SELECT: 1st register of result vector */
ynVar iColumn; /* TK_COLUMN: column index. -1 for rowid.
** TK_VARIABLE: variable number (always >= 1).
** TK_SELECT_COLUMN: column of the result vector */
@@ -3841,6 +3840,7 @@ void sqlite3Savepoint(Parse*, int, Token*);
void sqlite3CloseSavepoints(sqlite3 *);
void sqlite3LeaveMutexAndCloseZombie(sqlite3*);
int sqlite3ExprIdToTrueFalse(Expr*);
int sqlite3ExprTruthOperand(const Expr*);
int sqlite3ExprIsConstant(Expr*);
int sqlite3ExprIsConstantNotJoin(Expr*);
int sqlite3ExprIsConstantOrFunction(Expr*, u8);