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Changes In Branch shell-fix Excluding Merge-Ins
This is equivalent to a diff from 48826b222c to 4c2b572969
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2017-04-07
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| 20:20 | Use replace() instead of char() to quote newline and return characters in strings in the output of .dump, to avoid excess expression complexity. (check-in: 7307352988 user: drh tags: trunk) | |
| 19:41 | Proof of concept for the ability to use the expression columns in an index on expressions in place of equivalent expressions in the result set or in the WHERE clause. This check-in compiles but is mostly untested. (check-in: a52ef2ad7c user: drh tags: covering-index-on-expr) | |
| 11:45 | Use replace() instead of char() to quote newline and return characters in strings in the output of .dump, to avoid excess expression complexity. (Closed-Leaf check-in: 4c2b572969 user: drh tags: shell-fix) | |
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2017-04-06
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| 14:56 | Fix the ".lint fkey" shell command for cases where the child key is also an INTEGER PRIMARY KEY. (check-in: 48826b222c user: dan tags: trunk) | |
| 12:06 | Fix the ".lint fkey" shell tool command so that it works for foreign keys that refer implicitly to primary key columns with non-BINARY default collation sequences. (check-in: 327eff25ba user: dan tags: trunk) | |
Changes to src/shell.c.
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static void output_hex_blob(FILE *out, const void *pBlob, int nBlob){
int i;
char *zBlob = (char *)pBlob;
raw_printf(out,"X'");
for(i=0; i<nBlob; i++){ raw_printf(out,"%02x",zBlob[i]&0xff); }
raw_printf(out,"'");
}
/*
** Output the given string as a quoted string using SQL quoting conventions.
**
** The "\n" and "\r" characters are converted to char(10) and char(13)
** to prevent them from being transformed by end-of-line translators.
*/
static void output_quoted_string(FILE *out, const char *z){
int i;
char c;
setBinaryMode(out, 1);
for(i=0; (c = z[i])!=0 && c!='\'' && c!='\n' && c!='\r'; i++){}
if( c==0 ){
utf8_printf(out,"'%s'",z);
}else{
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static void output_hex_blob(FILE *out, const void *pBlob, int nBlob){
int i;
char *zBlob = (char *)pBlob;
raw_printf(out,"X'");
for(i=0; i<nBlob; i++){ raw_printf(out,"%02x",zBlob[i]&0xff); }
raw_printf(out,"'");
}
/*
** Find a string that is not found anywhere in z[]. Return a pointer
** to that string.
**
** Try to use zA and zB first. If both of those are already found in z[]
** then make up some string and store it in the buffer zBuf.
*/
static const char *unused_string(
const char *z, /* Result must not appear anywhere in z */
const char *zA, const char *zB, /* Try these first */
char *zBuf /* Space to store a generated string */
){
unsigned i = 0;
if( strstr(z, zA)==0 ) return zA;
if( strstr(z, zB)==0 ) return zB;
do{
sqlite3_snprintf(20,zBuf,"(%s%u)", zA, i++);
}while( strstr(z,zBuf)!=0 );
return zBuf;
}
/*
** Output the given string as a quoted string using SQL quoting conventions.
**
** The "\n" and "\r" characters are converted to char(10) and char(13)
** to prevent them from being transformed by end-of-line translators.
*/
static void output_quoted_string(FILE *out, const char *z){
int i;
char c;
setBinaryMode(out, 1);
for(i=0; (c = z[i])!=0 && c!='\'' && c!='\n' && c!='\r'; i++){}
if( c==0 ){
utf8_printf(out,"'%s'",z);
}else{
const char *zNL = 0;
const char *zCR = 0;
int nNL = 0;
int nCR = 0;
char zBuf1[20], zBuf2[20];
for(i=0; z[i]; i++){
if( z[i]=='\n' ) nNL++;
if( z[i]=='\r' ) nCR++;
}
if( nNL ){
raw_printf(out, "replace(");
zNL = unused_string(z, "\\n", "\\012", zBuf1);
}
if( nCR ){
raw_printf(out, "replace(");
zCR = unused_string(z, "\\r", "\\015", zBuf2);
}
raw_printf(out, "'");
while( *z ){
for(i=0; (c = z[i])!=0 && c!='\n' && c!='\r' && c!='\''; i++){}
if( c=='\'' ) i++;
if( i ){
utf8_printf(out, "%.*s", i, z);
z += i;
}
if( c=='\'' ){
raw_printf(out, "'");
continue;
}
if( c==0 ){
break;
}
z++;
if( c=='\n' ){
raw_printf(out, "%s", zNL);
continue;
}
raw_printf(out, "%s", zCR);
}
raw_printf(out, "'");
if( nCR ){
raw_printf(out, ",'%s',char(13))", zCR);
}
if( nNL ){
raw_printf(out, ",'%s',char(10))", zNL);
}
}
setTextMode(out, 1);
}
/*
** Output the given string as a quoted according to C or TCL quoting rules.
*/
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