From 991a084ce784780777398973c9ae9f5d87b21a6d Mon Sep 17 00:00:00 2001
From: Pranav C <pranavxc@gmail.com>
Date: Mon, 9 Aug 2021 19:30:27 +0530
Subject: [PATCH] feat: Add RIGHT and LEFT function support

Signed-off-by: Pranav C <pranavxc@gmail.com>
---
 .../src/lib/dataMapper/lib/sql/functionMappings/mssql.ts  | 2 +-
 .../src/lib/dataMapper/lib/sql/functionMappings/pg.ts     | 2 +-
 .../src/lib/dataMapper/lib/sql/functionMappings/sqlite.ts | 8 ++++++++
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/mssql.ts b/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/mssql.ts
index 758408a376..7922895fcd 100644
--- a/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/mssql.ts
+++ b/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/mssql.ts
@@ -48,7 +48,7 @@ const mssql = {
   },
   INT: (args: MapFnArgs) => {
     return args.knex.raw(`CASE WHEN ISNUMERIC(${args.fn(args.pt.arguments[0]).toQuery()}) = 1 THEN FLOOR(${args.fn(args.pt.arguments[0]).toQuery()}) ELSE 0 END${args.colAlias}`)
-  }
+  },
 }
 
 export default mssql;
diff --git a/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/pg.ts b/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/pg.ts
index c49c70964a..04b984bf71 100644
--- a/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/pg.ts
+++ b/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/pg.ts
@@ -14,7 +14,7 @@ const pg = {
   INT(args: MapFnArgs) {
     // todo: correction
     return args.knex.raw(`REGEXP_REPLACE(COALESCE(${args.fn(args.pt.arguments[0])}::character varying, '0'), '[^0-9]+|\\.[0-9]+' ,'')${args.colAlias}`)
-  }
+  },
 }
 
 
diff --git a/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/sqlite.ts b/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/sqlite.ts
index a23a776208..1531017bcf 100644
--- a/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/sqlite.ts
+++ b/packages/nocodb/src/lib/dataMapper/lib/sql/functionMappings/sqlite.ts
@@ -23,6 +23,14 @@ const sqlite3 = {
   SEARCH:'INSTR',
   INT(args: MapFnArgs) {
     return args.knex.raw(`CAST(${args.fn(args.pt.arguments[0])} as INTEGER)${args.colAlias}`)
+  },
+
+
+  LEFT:(args: MapFnArgs)=> {
+    return args.knex.raw(`SUBSTR(${args.fn(args.pt.arguments[0])},1,${args.fn(args.pt.arguments[1])})${args.colAlias}`)
+  },
+  RIGHT:(args: MapFnArgs)=> {
+    return args.knex.raw(`SUBSTR(${args.fn(args.pt.arguments[0])},-${args.fn(args.pt.arguments[1])})${args.colAlias}`)
   }
 }