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added sqlite::column_name() and enhanced sqlite::escape_string() to differentiate mbs and str
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hyung-hwan
2025-12-25 11:42:36 +09:00
parent 64250aa80c
commit 262ec3421f
2 changed files with 60 additions and 4 deletions
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README.md
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@@ -1326,7 +1326,7 @@ Assuming `/tmp/test.db` with the following schema,
```
sqlite> .schema
CREATE TABLE a(x int, y int);
CREATE TABLE a(x int, y varchar(255));
```
You can retreive all rows as shown below:
@@ -1335,7 +1335,7 @@ You can retreive all rows as shown below:
@pragma implicit off
function main() {
@local db, stmt, row, i, sql;
@local db, stmt, row, i, ncols;
db = sqlite::open();
if (db <= -1) {
@@ -1352,7 +1352,14 @@ function main() {
sqlite::exec(db, "begin transaction");
sqlite::exec(db, "delete from a");
for (i = 0; i < 10; i++) {
sql=sprintf("insert into a(x,y) values(%d,%d)", math::rand() * 100, math::rand() * 100);
@local sql, fld;
if (sqlite::escape_string(db, ((i % 2)? @b"'STXETX'": "'␂␃'") %% (math::rand() * 100), fld) <= -1) {
print "escape_string error -", sqlite::errmsg();
sqlite::exec(db, "rollback");
sqlite::close(db);
return;
}
sql=sprintf("insert into a(x,y) values(%d,'%s')", math::rand() * 100, fld);
print sql;
if (sqlite::exec(db, sql) <= -1) {
print "exec error -", sqlite::errmsg();
@@ -1377,6 +1384,11 @@ function main() {
return;
}
ncols = sqlite::column_count(stmt);
printf ("TOTAL %d COLUMNS:\n", ncols);
for (i = 1; i <= ncols; i++) {
print "-", i, sqlite::column_name(stmt, i);
}
while (sqlite::fetch_row(stmt, row, sqlite::FETCH_ROW_ARRAY) > 0) {
print "[id]", row[1], "[name]", row[2];
}