SQLite Compatibility
This document describes the SQLite compatibility status of Limbo:
SQL statements
| Statement |
Status |
Comment |
| ALTER TABLE |
No |
|
| ANALYZE |
No |
|
| ATTACH DATABASE |
No |
|
| BEGIN TRANSACTION |
No |
|
| COMMIT TRANSACTION |
No |
|
| CREATE INDEX |
No |
|
| CREATE TABLE |
No |
|
| CREATE TRIGGER |
No |
|
| CREATE VIEW |
No |
|
| CREATE VIRTUAL TABLE |
No |
|
| DELETE |
No |
|
| DETACH DATABASE |
No |
|
| DROP INDEX |
No |
|
| DROP TABLE |
No |
|
| DROP TRIGGER |
No |
|
| DROP VIEW |
No |
|
| END TRANSACTION |
No |
|
| EXPLAIN |
No |
|
| INDEXED BY |
No |
|
| INSERT |
No |
|
| ON CONFLICT clause |
No |
|
| PRAGMA |
Partial |
|
| PRAGMA cache_size |
Yes |
|
| REINDEX |
No |
|
| RELEASE SAVEPOINT |
No |
|
| REPLACE |
No |
|
| RETURNING clause |
No |
|
| ROLLBACK TRANSACTION |
No |
|
| SAVEPOINT |
No |
|
| SELECT |
Partial |
|
| SELECT ... WHERE |
No |
|
| SELECT ... LIMIT |
Yes |
|
| SELECT ... ORDER BY |
No |
|
| SELECT ... GROUP BY |
No |
|
| SELECT ... JOIN |
No |
|
| UPDATE |
No |
|
| UPSERT |
No |
|
| VACUUM |
No |
|
| WITH clause |
No |
|
SQL functions
Scalar functions
| Function |
Status |
Comment |
| abs(X) |
No |
|
| changes() |
No |
|
| char(X1,X2,...,XN) |
No |
|
| coalesce(X,Y,...) |
No |
|
| concat(X,...) |
No |
|
| concat_ws(SEP,X,...) |
No |
|
| format(FORMAT,...) |
No |
|
| glob(X,Y) |
No |
|
| hex(X) |
No |
|
| ifnull(X,Y) |
No |
|
| iif(X,Y,Z) |
No |
|
| instr(X,Y) |
No |
|
| last_insert_rowid() |
No |
|
| length(X) |
No |
|
| like(X,Y) |
No |
|
| like(X,Y,Z) |
No |
|
| likelihood(X,Y) |
No |
|
| likely(X) |
No |
|
| load_extension(X) |
No |
|
| load_extension(X,Y) |
No |
|
| lower(X) |
No |
|
| ltrim(X) |
No |
|
| ltrim(X,Y) |
No |
|
| max(X,Y,...) |
No |
|
| min(X,Y,...) |
No |
|
| nullif(X,Y) |
No |
|
| octet_length(X) |
No |
|
| printf(FORMAT,...) |
No |
|
| quote(X) |
No |
|
| random() |
No |
|
| randomblob(N) |
No |
|
| replace(X,Y,Z) |
No |
|
| round(X) |
No |
|
| round(X,Y) |
No |
|
| rtrim(X) |
No |
|
| rtrim(X,Y) |
No |
|
| sign(X) |
No |
|
| soundex(X) |
No |
|
| sqlite_compileoption_get(N) |
No |
|
| sqlite_compileoption_used(X) |
No |
|
| sqlite_offset(X) |
No |
|
| sqlite_source_id() |
No |
|
| sqlite_version() |
No |
|
| substr(X,Y,Z) |
No |
|
| substr(X,Y) |
No |
|
| substring(X,Y,Z) |
No |
|
| substring(X,Y) |
No |
|
| total_changes() |
No |
|
| trim(X) |
No |
|
| trim(X,Y) |
No |
|
| typeof(X) |
No |
|
| unhex(X) |
No |
|
| unhex(X,Y) |
No |
|
| unicode(X) |
No |
|
| unlikely(X) |
No |
|
| upper(X) |
No |
|
| zeroblob(N) |
No |
|
Aggregate functions
| Function |
Status |
Comment |
| avg(X) |
Yes |
|
| count() |
No |
|
| count(*) |
No |
|
| group_concat(X) |
No |
|
| group_concat(X,Y) |
No |
|
| string_agg(X,Y) |
No |
|
| max(X) |
No |
|
| min(X) |
No |
|
| sum(X) |
Yes |
|
| total(X) |
No |
|
Date and time functions
| Function |
Status |
Comment |
| date() |
No |
|
| time() |
No |
|
| datetime() |
No |
|
| julianday() |
No |
|
| unixepoch() |
No |
|
| strftime() |
No |
|
| timediff() |
No |
|
SQLite API
| Interface |
Status |
Comment |
| sqlite3_open |
Partial |
|
| sqlite3_close |
Yes |
|
| sqlite3_prepare |
Partial |
|
| sqlite3_finalize |
Yes |
|
| sqlite3_step |
Yes |
|
| sqlite3_column_text |
Yes |
|
