Thanks for reply, pvaldes.
I noticed I misunderstood how to escape single quotes in sql. I thought of the case like this
insert into foo (bar,boo) values('''a', 'b');
And this is nothing surprise.
I changed test data with real SQL with your advice. SQLite and Postgres accept these commands.
drop table foo;
create table foo( --tabel foo
bar text, --fld name
boo text --again
insert into foo (bar,boo) values('''a', 'b'); -- insert quote's sake
insert into foo (bar,boo) values('c', 'd'); -- another line
select 'test' || 'abc' as a ; -- maybe you use dual wi
select 'test''s' || 'abc' as a ; -- maybe you use dual wi
So far, so good.
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