database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-12 13:01:09 +03:00
Code Activity

Block edgy functions used in DEFAULT constraints.

Browse Source 
FossilOrigin-Name: da434dc149786e4b1cd80b3b2b25f8b614d0dec62d5439f839a66b536999e398
This commit is contained in:
drh
2020-01-08 22:22:36 +00:00
parent 2eeca2046e
commit 014fff20ad
5 changed files with 33 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
manifest
View File

@@ -1,5 +1,5 @@
C Performance\simprovements\sand\stest\scases\sadded.\sAllow\s"PRAGMA\strusted_schema=ON"
D 2020-01-08T20:37:45.893
C Block\sedgy\sfunctions\sused\sin\sDEFAULT\sconstraints.
D 2020-01-08T22:22:36.071
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -473,7 +473,7 @@ F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
F src/btree.c d70000b51523138582663b578b7f8a13e5d03c73c7c7ef18fdeafe1c234bbc3c
F src/btree.h 6111552f19ed7a40f029cf4b33badc6fef9880314fffd80a945f0b7f43ab7471
F src/btreeInt.h 6794084fad08c9750b45145743c0e3e5c27c94dee89f26dd8df7073314934fd2
F src/build.c 67b1a8d3ac700747687dbdc49ded847a3c17fef450a8c919ac0399b44cbd4215
F src/build.c bd2f382562b08f14748d54402220be1082c2f8ff8973fad47e45a381c438f9bf
F src/callback.c c547d00963ae28100117b4fb1f0f32242109b5804374ee3bfe01138a54da7f76
F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
F src/ctime.c 1b0724e66f95f33b160b1af85caaf9cceb325d22abf39bd24df4f54a73982251
@@ -481,7 +481,7 @@ F src/date.c e1d8ac7102f3f283e63e13867acb0efa33861cf34f0faf4cdbaf9fa7a1eb7041
F src/dbpage.c 8a01e865bf8bc6d7b1844b4314443a6436c07c3efe1d488ed89e81719047833a
F src/dbstat.c 0f55297469d4244ab7df395849e1af98eb5e95816af7c661e7d2d8402dea23da
F src/delete.c a5c59b9c0251cf7682bc52af0d64f09b1aefc6781a63592c8f1136f7b73c66e4
F src/expr.c b1cb02a4b4fd1d2723f3de13d212fb5649923783835e37ee94d2792cad983035
F src/expr.c c5ff3bb83e5b512f6251a37e7ac9f5b1686e6a135e22d40c013d7d267a532af5
F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
F src/fkey.c 92a248ec0fa4ed8ab60c98d9b188ce173aaf218f32e7737ba77deb2a684f9847
F src/func.c 259496e4856bd0a3215d16804992f3339f3e8db29f129a5a7285c341488bbe9c
@@ -594,7 +594,7 @@ F src/test_window.c cdae419fdcea5bad6dcd9368c685abdad6deb59e9fc8b84b153de513d394
F src/test_wsd.c 41cadfd9d97fe8e3e4e44f61a4a8ccd6f7ca8fe9
F src/threads.c 4ae07fa022a3dc7c5beb373cf744a85d3c5c6c3c
F src/tokenize.c 7b17f6e2f20f6cbcb0b215025a86b7457c38451fc7622f705e553d7a488c572d
F src/treeview.c f51bdcac260ed3eafd8880e857c56e086e28340a1d7b49b487893610d71a2325
F src/treeview.c 438c1000587b33faba35e87596bebcf7f40638d98f33781cdd9e04711b18b09c
F src/trigger.c a40d50e88bd3355f1d2a73f0a3b2d6b42eae26ca4219001b82ef0d064439badc
F src/update.c 9ad19af96aff95dc02a923a99f97c1bc0b909009a29a2914b796f786b9ac0c60
F src/upsert.c 2920de71b20f04fe25eb00b655d086f0ba60ea133c59d7fa3325c49838818e78
@@ -1855,7 +1855,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 1da802d54b689a462e1fe899c6ffa08ef14d34f36728b14b055b5a76b1edc274
R 78a6c1828843e575068f968acb0f372e
P 30882ca80f6c51f6bb7b2692c1ac3f19a7c61a23aa8730be79aec0ae3ef08d54
R 2d6bd4faf1a02c29990cd0df461c78ad
U drh
Z ca06f3bd43b14133e2371bf0709d0315
Z 9253d4aa29f3b6b8cb96462d5b434aa9

2
manifest.uuid
View File

@@ -1 +1 @@
30882ca80f6c51f6bb7b2692c1ac3f19a7c61a23aa8730be79aec0ae3ef08d54
da434dc149786e4b1cd80b3b2b25f8b614d0dec62d5439f839a66b536999e398

3
src/build.c
View File

@@ -1404,8 +1404,9 @@ void sqlite3AddDefaultValue(
sqlite3 *db = pParse->db;
p = pParse->pNewTable;
if( p!=0 ){
int isInit = db->init.busy && db->init.iDb!=1;
pCol = &(p->aCol[p->nCol-1]);
if( !sqlite3ExprIsConstantOrFunction(pExpr, db->init.busy) ){
if( !sqlite3ExprIsConstantOrFunction(pExpr, isInit) ){
sqlite3ErrorMsg(pParse, "default value of column [%s] is not constant",
pCol->zName);
#ifndef SQLITE_OMIT_GENERATED_COLUMNS

28
src/expr.c
View File

@@ -1971,10 +1971,11 @@ Expr *sqlite3ExprSimplifiedAndOr(Expr *pExpr){
** In all cases, the callbacks set Walker.eCode=0 and abort if the expression
** is found to not be a constant.
**
** The sqlite3ExprIsConstantOrFunction() is used for evaluating expressions
** in a CREATE TABLE statement. The Walker.eCode value is 5 when parsing
** an existing schema and 4 when processing a new statement. A bound
** parameter raises an error for new statements, but is silently converted
** The sqlite3ExprIsConstantOrFunction() is used for evaluating DEFAULT
** expressions in a CREATE TABLE statement. The Walker.eCode value is 5
** when parsing an existing schema out of the sqlite_master table and 4
** when processing a new CREATE TABLE statement. A bound parameter raises
** an error for new statements, but is silently converted
** to NULL for existing schemas. This allows sqlite_master tables that
** contain a bound parameter because they were generated by older versions
** of SQLite to be parsed by newer versions of SQLite without raising a
@@ -1998,6 +1999,7 @@ static int exprNodeIsConstant(Walker *pWalker, Expr *pExpr){
if( (pWalker->eCode>=4 || ExprHasProperty(pExpr,EP_ConstFunc))
&& !ExprHasProperty(pExpr, EP_WinFunc)
){
if( pWalker->eCode==5 ) ExprSetProperty(pExpr, EP_FromDDL);
return WRC_Continue;
}else{
pWalker->eCode = 0;
@@ -2161,9 +2163,21 @@ int sqlite3ExprIsConstantOrGroupBy(Parse *pParse, Expr *p, ExprList *pGroupBy){
}
/*
** Walk an expression tree. Return non-zero if the expression is constant
** or a function call with constant arguments. Return and 0 if there
** are any variables.
** Walk an expression tree for the DEFAULT field of a column definition
** in a CREATE TABLE statement. Return non-zero if the expression is
** acceptable for use as a DEFAULT. That is to say, return non-zero if
** the expression is constant or a function call with constant arguments.
** Return and 0 if there are any variables.
**
** isInit is true when parsing from sqlite_master. isInit is false when
** processing a new CREATE TABLE statement. When isInit is true, parameters
** (such as ? or $abc) in the expression are converted into NULL. When
** isInit is false, parameters raise an error. Parameters should not be
** allowed in a CREATE TABLE statement, but some legacy versions of SQLite
** allowed it, so we need to support it when reading sqlite_master for
** backwards compatibility.
**
** If isInit is true, set EP_FromDDL on every TK_FUNCTION node.
**
** For the purposes of this function, a double-quoted string (ex: "abc")
** is considered a variable but a single-quoted string (ex: 'abc') is

2
src/treeview.c
View File

@@ -572,7 +572,7 @@ void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 moreToFollow){
}else{
pFarg = pExpr->x.pList;
#ifndef SQLITE_OMIT_WINDOWFUNC
pWin = pExpr->y.pWin;
pWin = ExprHasProperty(pExpr, EP_WinFunc) ? pExpr->y.pWin : 0;
#else
pWin = 0;
#endif