Add DateTime func and support more modifiers

tursodatabase · Jan 3, 2025 · 7818e35 · 7818e35
1 parent 90d01f4
commit 7818e35
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Showing 5 changed files with 772 additions and 97 deletions.
diff --git a/COMPAT.md b/COMPAT.md
@@ -220,7 +220,7 @@ Feature support of [sqlite expr syntax](https://www.sqlite.org/lang_expr.html).
 |-------------|---------|------------------------------|
 | date()      | Yes     | partially supports modifiers |
 | time()      | Yes     | partially supports modifiers |
-| datetime()  | No      |                              |
+| datetime()  | Yes     | partially supports modifiers |
 | julianday() | No      |                              |
 | unixepoch() | Partial | does not support modifiers   |
 | strftime()  | No      |                              |

diff --git a/core/function.rs b/core/function.rs
@@ -102,6 +102,7 @@ pub enum ScalarFunc {
     Soundex,
     Date,
     Time,
+    DateTime,
     Typeof,
     Unicode,
     Quote,
@@ -157,6 +158,7 @@ impl Display for ScalarFunc {
             Self::ZeroBlob => "zeroblob".to_string(),
             Self::LastInsertRowid => "last_insert_rowid".to_string(),
             Self::Replace => "replace".to_string(),
+            Self::DateTime => "datetime".to_string(),
         };
         write!(f, "{}", str)
     }
@@ -344,6 +346,7 @@ impl Func {
             "substring" => Ok(Self::Scalar(ScalarFunc::Substring)),
             "date" => Ok(Self::Scalar(ScalarFunc::Date)),
             "time" => Ok(Self::Scalar(ScalarFunc::Time)),
+            "datetime" => Ok(Self::Scalar(ScalarFunc::DateTime)),
             "typeof" => Ok(Self::Scalar(ScalarFunc::Typeof)),
             "last_insert_rowid" => Ok(Self::Scalar(ScalarFunc::LastInsertRowid)),
             "unicode" => Ok(Self::Scalar(ScalarFunc::Unicode)),

diff --git a/core/translate/expr.rs b/core/translate/expr.rs
@@ -1344,7 +1344,7 @@ pub fn translate_expr(
                             });
                             Ok(target_register)
                         }
-                        ScalarFunc::Date => {
+                        ScalarFunc::Date | ScalarFunc::DateTime => {
                             if let Some(args) = args {
                                 for arg in args.iter() {
                                     // register containing result of each argument expression