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Sqlite does not support SELECT...WHERE with no FROM #4079
Description
Version
1.29.0
What happened?
Writing a query that uses the form:
SELECT
col1,
col2,
...
WHERE NOT EXISTS (
SELECT 1 FROM "table" WHERE "table"."id" = sqlc.arg('tableId')
);Will copy over the expr after the WHERE as is, and neither replace the sqlc.arg with a placeholder nor extract that arg as a param for the query.
Relevant log output
N/ADatabase schema
CREATE TABLE IF NOT EXISTS "rels" (
"id" text PRIMARY KEY NOT NULL,
"type" integer NOT NULL,
"left" text NOT NULL,
"right" text NOT NULL,
"metadata" blob,
"created" integer NOT NULL
) STRICT;SQL queries
-- name: InsertPostReact :exec
INSERT INTO "rels" (
id,
type,
left,
right,
metadata,
created
)
SELECT
sqlc.arg('id'),
sqlc.arg('type'),
sqlc.arg('left'),
sqlc.arg('right'),
sqlc.arg('metadata'),
sqlc.arg('created')
WHERE NOT EXISTS (
SELECT
1
FROM
"rels"
WHERE
"rels"."left" = sqlc.arg('left') AND
"rels"."right" = sqlc.arg('right') AND
"rels"."type" = sqlc.arg('prohibitedType')
)
LIMIT 1;Configuration
version: "2"
sql:
- engine: "sqlite"
queries: "db/query.sql"
schema: "db/schema.sql"
gen:
go:
package: "dbv2"
out: "dbv2"Playground URL
https://play.sqlc.dev/p/1a0e77fe8d04f6cd64fa7f794c4d5a2a133730ab653dded3989f268ba7192819
What operating system are you using?
macOS
What database engines are you using?
SQLite
What type of code are you generating?
Go
Activity
mujib77 commentedon May 8, 2026
I tested this on the current version and the original issue appears to be fixed. The SELECT … WHERE NOT EXISTS with sqlc.arg now generates correctly. While investigating I found a related issue with sqlc.arg() in ORDER BY expressions which I’ve fixed in #4429.