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Don't override LIKE.

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This commit is contained in:
Nuno Cruces
2024-09-30 13:30:50 +01:00
parent 25fc5a606a
commit 170e1dbebd
6 changed files with 22 additions and 11 deletions
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2
ext/hash/hash.go
View File

@@ -29,7 +29,7 @@ import (
// Register registers cryptographic hash functions for a database connection.
func Register(db *sqlite3.Conn) error {
flags := sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
const flags = sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
var errs util.ErrorJoiner
if crypto.MD4.Available() {

2
ext/regexp/regexp.go
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@@ -20,7 +20,7 @@ import (
// Register registers Unicode aware functions for a database connection.
func Register(db *sqlite3.Conn) error {
flags := sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
const flags = sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
return errors.Join(
db.CreateFunction("regexp", 2, flags, regex),
db.CreateFunction("regexp_like", 2, flags, regexLike),

2
ext/stats/stats.go
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@@ -52,7 +52,7 @@ import (
// Register registers statistics functions.
func Register(db *sqlite3.Conn) error {
flags := sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
const flags = sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
return errors.Join(
db.CreateWindowFunction("var_pop", 1, flags, newVariance(var_pop)),
db.CreateWindowFunction("var_samp", 1, flags, newVariance(var_samp)),

23
ext/unicode/unicode.go
View File

@@ -38,12 +38,22 @@ import (
"golang.org/x/text/unicode/norm"
)
// Set RegisterLike to false to not register a Unicode aware LIKE operator.
// Overriding the built-in LIKE operator disables the [LIKE optimization].
//
// [LIKE optimization]: https://sqlite.org/optoverview.html#the_like_optimization
var RegisterLike = true
// Register registers Unicode aware functions for a database connection.
func Register(db *sqlite3.Conn) error {
flags := sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
return errors.Join(
db.CreateFunction("like", 2, flags, like),
db.CreateFunction("like", 3, flags, like),
const flags = sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
var errs util.ErrorJoiner
if RegisterLike {
errs.Join(
db.CreateFunction("like", 2, flags, like),
db.CreateFunction("like", 3, flags, like))
}
errs.Join(
db.CreateFunction("upper", 1, flags, upper),
db.CreateFunction("upper", 2, flags, upper),
db.CreateFunction("lower", 1, flags, lower),
@@ -59,12 +69,13 @@ func Register(db *sqlite3.Conn) error {
return
}
err := RegisterCollation(db, arg[0].Text(), name)
err := RegisterCollation(ctx.Conn(), arg[0].Text(), name)
if err != nil {
ctx.ResultError(err)
return // notest
}
}))
return errors.Join(errs...)
}
// RegisterCollation registers a Unicode collation sequence for a database connection.
@@ -146,7 +157,7 @@ func unaccent(ctx sqlite3.Context, arg ...sqlite3.Value) {
unaccent := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
res, _, err := transform.Bytes(unaccent, arg[0].RawText())
if err != nil {
ctx.ResultError(err)
ctx.ResultError(err) // notest
} else {
ctx.ResultRawText(res)
}

2
ext/uuid/uuid.go
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@@ -27,7 +27,7 @@ import (
//
// Converts a UUID into a 16-byte blob.
func Register(db *sqlite3.Conn) error {
flags := sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
const flags = sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
return errors.Join(
db.CreateFunction("uuid", 0, sqlite3.INNOCUOUS, generate),
db.CreateFunction("uuid", 1, sqlite3.INNOCUOUS, generate),

2
ext/zorder/zorder.go
View File

@@ -12,7 +12,7 @@ import (
// Register registers the zorder and unzorder SQL functions.
func Register(db *sqlite3.Conn) error {
flags := sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
const flags = sqlite3.DETERMINISTIC | sqlite3.INNOCUOUS
return errors.Join(
db.CreateFunction("zorder", -1, flags, zorder),
db.CreateFunction("unzorder", 3, flags, unzorder))