Merge branch 'master' into join-support

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "sqlparser"
 description = "Extensible SQL Lexer and Parser with support for ANSI SQL:2011"
-version = "0.1.9-alpha.0"
+version = "0.1.10-alpha.0"
 authors = ["Andy Grove <andygrove73@gmail.com>"]
 homepage = "https://github.com/andygrove/sqlparser-rs"
 documentation = "https://docs.rs/sqlparser/"

src/dialect/generic_sql.rs

@@ -13,6 +13,7 @@ impl Dialect for GenericSqlDialect {
             REAL, DOUBLE, PRECISION, INT, INTEGER, SMALLINT, BIGINT, NUMERIC, DECIMAL, DEC,
             BOOLEAN, DATE, TIME, TIMESTAMP, CASE, WHEN, THEN, ELSE, END, JOIN, LEFT, RIGHT, FULL,
             CROSS, OUTER, INNER, NATURAL, ON, USING,
+            BOOLEAN, DATE, TIME, TIMESTAMP, CASE, WHEN, THEN, ELSE, END, LIKE,
         ];
     }
 

src/dialect/mod.rs

@@ -3,7 +3,6 @@ mod generic_sql;
 pub mod keywords;
 mod postgresql;
 
-
 pub use self::ansi_sql::AnsiSqlDialect;
 pub use self::generic_sql::GenericSqlDialect;
 pub use self::postgresql::PostgreSqlDialect;
@@ -15,4 +14,4 @@ pub trait Dialect {
     fn is_identifier_start(&self, ch: char) -> bool;
     /// Determine if a character is a valid identifier character
     fn is_identifier_part(&self, ch: char) -> bool;
-}
+}

src/sqlast/sql_operator.rs

@@ -14,6 +14,7 @@ pub enum SQLOperator {
     NotEq,
     And,
     Or,
+    Like,
 }
 
 impl ToString for SQLOperator {
@@ -32,6 +33,7 @@ impl ToString for SQLOperator {
             SQLOperator::NotEq => "!=".to_string(),
             SQLOperator::And => "AND".to_string(),
             SQLOperator::Or => "OR".to_string(),
+            SQLOperator::Like => "LIKE".to_string(),
         }
     }
 }

src/sqlast/value.rs

@@ -1,7 +1,4 @@
-use chrono::{
+use chrono::{offset::FixedOffset, DateTime, NaiveDate, NaiveDateTime, NaiveTime};
-    offset::{FixedOffset},
-    DateTime, NaiveDate, NaiveDateTime, NaiveTime,
-};
 
 use uuid::Uuid;
 

src/sqlparser.rs

@@ -329,6 +329,7 @@ impl Parser {
             &Token::Mod => Ok(SQLOperator::Modulus),
             &Token::Keyword(ref k) if k == "AND" => Ok(SQLOperator::And),
             &Token::Keyword(ref k) if k == "OR" => Ok(SQLOperator::Or),
+            &Token::Keyword(ref k) if k == "LIKE" => Ok(SQLOperator::Like),
             _ => parser_err!(format!("Unsupported SQL operator {:?}", tok)),
         }
     }
@@ -350,6 +351,7 @@ impl Parser {
             &Token::Keyword(ref k) if k == "OR" => Ok(5),
             &Token::Keyword(ref k) if k == "AND" => Ok(10),
             &Token::Keyword(ref k) if k == "IS" => Ok(15),
+            &Token::Keyword(ref k) if k == "LIKE" => Ok(20),
             &Token::Eq | &Token::Lt | &Token::LtEq | &Token::Neq | &Token::Gt | &Token::GtEq => {
                 Ok(20)
             }

tests/sqlparser_postgres.rs

@@ -632,17 +632,18 @@ PHP	₱ USD $
     //assert_eq!(sql, ast.to_string());
 }
 
-#[ignore]
+#[test]
 fn parse_timestamps_example() {
     let sql = "2016-02-15 09:43:33";
-    let ast = parse_sql(sql);
+    let _ = parse_sql(sql);
-    assert_eq!(sql, ast.to_string());
+    //TODO add assertion
 }
 
 #[test]
 fn parse_timestamps_with_millis_example() {
     let sql = "2017-11-02 19:15:42.308637";
     let _ = parse_sql(sql);
+    //TODO add assertion
 }
 
 #[test]
@@ -874,3 +875,25 @@ fn parser(sql: &str) -> Parser {
     debug!("tokens: {:#?}", tokens);
     Parser::new(tokens)
 }
+
+#[test]
+fn parse_like() {
+    let sql = String::from("SELECT * FROM customers WHERE name LIKE '%a'");
+    let ast = parse_sql(&sql);
+    assert_eq!(sql, ast.to_string());
+    match ast {
+        ASTNode::SQLSelect { selection, .. } => {
+            assert_eq!(
+                ASTNode::SQLBinaryExpr {
+                    left: Box::new(ASTNode::SQLIdentifier("name".to_string())),
+                    op: SQLOperator::Like,
+                    right: Box::new(ASTNode::SQLValue(Value::SingleQuotedString(
+                        "%a".to_string()
+                    ))),
+                },
+                *selection.unwrap()
+            );
+        }
+        _ => assert!(false),
+    }
+}