RD-10568 Sql auto-complete shows postgres internal tables (#357)

Added a where clause in the queries for the auto-complete filtering out
information_schema and pg_catalog

sql-client/src/main/scala/raw/client/sql/metadata/DotSearchWithOneItem.scala

@@ -18,10 +18,15 @@ object DotSearchWithOneItem
     extends Completion(
       """SELECT item1, item2, type FROM (
         | -- tables that belong to schemas having that name
-        | SELECT table_schema AS item1, table_name AS item2, 'table' AS type FROM information_schema.tables WHERE table_schema = ?
+        | SELECT table_schema AS item1, table_name AS item2, 'table' AS type FROM information_schema.tables
+        |     WHERE table_schema = ?
+        |         AND table_schema NOT IN ('pg_catalog', 'information_schema')
         | UNION
         | -- columns that belong to tables having that name
-        | SELECT table_name AS item1, column_name AS item2, data_type AS type FROM information_schema.columns WHERE table_name = ?) T""".stripMargin
+        | SELECT table_name AS item1, column_name AS item2, data_type AS type FROM information_schema.columns
+        |     WHERE table_name = ?
+        |         AND table_schema NOT IN ('pg_catalog', 'information_schema')
+        |) T""".stripMargin
     ) {
   override protected def setParams(preparedStatement: PreparedStatement, items: Seq[String]): Unit = {
     val item = items.head

sql-client/src/main/scala/raw/client/sql/metadata/DotSearchWithTwoItems.scala

@@ -19,7 +19,9 @@ object DotSearchWithTwoItems
       """-- columns that belong to tables having the required name in schemas having the required name
         |SELECT table_schema, table_name, column_name, data_type AS type
         |FROM information_schema.columns
-        |WHERE table_schema = ? AND table_name = ?""".stripMargin
+        |WHERE table_schema = ?
+        |    AND table_name = ?
+        |    AND table_schema NOT IN ('pg_catalog', 'information_schema')""".stripMargin
     ) {
   override protected def setParams(preparedStatement: PreparedStatement, items: Seq[String]): Unit = {
     val item1 = items(0)

sql-client/src/main/scala/raw/client/sql/metadata/WordSearchWithOneItem.scala

@@ -18,13 +18,17 @@ object WordSearchWithOneItem
     extends Completion(
       """SELECT name, type FROM (
         |-- schemas that have a name starting with the identifier
-        |SELECT schema_name AS name, 'schema' AS type FROM information_schema.schemata WHERE starts_with(schema_name, ?)
+        |SELECT schema_name AS name, 'schema' AS type FROM information_schema.schemata
+        |	WHERE starts_with(schema_name, ?) AND schema_name NOT IN ('pg_catalog', 'information_schema')
         |UNION
         |-- tables that have a name starting with the identifier
-        |SELECT table_name AS name, 'table' AS type FROM information_schema.tables WHERE starts_with(table_name, ?)
+        |SELECT table_name AS name, 'table' AS type FROM information_schema.tables
+        |	WHERE starts_with(table_name, ?) AND table_schema NOT IN ('pg_catalog', 'information_schema')
         |UNION
         |-- columns that have a name starting with the identifier
-        |SELECT column_name AS name, data_type AS type FROM information_schema.columns WHERE starts_with(column_name, ?)) T""".stripMargin
+        |SELECT column_name AS name, data_type AS type FROM information_schema.columns
+        |	WHERE starts_with(column_name, ?) AND table_schema NOT IN ('pg_catalog', 'information_schema')
+        |) T""".stripMargin
     ) {
   override protected def setParams(preparedStatement: PreparedStatement, items: Seq[String]): Unit = {
     val item = items.head

sql-client/src/main/scala/raw/client/sql/metadata/WordSearchWithThreeItems.scala

@@ -20,7 +20,8 @@ object WordSearchWithThreeItems
         |SELECT table_schema, table_name, column_name, data_type AS type FROM information_schema.columns
         |WHERE table_schema = ?
         |      AND table_name = ?
-        |      AND starts_with(column_name, ?)""".stripMargin
+        |      AND starts_with(column_name, ?)
+        |      AND table_schema NOT IN ('pg_catalog', 'information_schema')""".stripMargin
     ) {
   override protected def setParams(preparedStatement: PreparedStatement, items: Seq[String]): Unit = {
     val item1 = items(0)

sql-client/src/main/scala/raw/client/sql/metadata/WordSearchWithTwoItems.scala

@@ -25,12 +25,16 @@ object WordSearchWithTwoItems
         |    -- tables having a similar name, that belong to schemas having the name
         |    SELECT table_schema AS item1, table_name AS item2, 'table' AS type
         |    FROM information_schema.tables
-        |    WHERE table_schema = ? AND starts_with(table_name, ?)
+        |    WHERE table_schema = ?
+        |        AND starts_with(table_name, ?)
+        |        AND table_schema NOT IN ('pg_catalog', 'information_schema')
         |    UNION
         |    -- columns having a similar name, that belong to tables having the name
         |    SELECT table_name AS item1, column_name AS item2, data_type AS type
         |    FROM information_schema.columns
-        |    WHERE table_name = ? AND starts_with(column_name, ?)
+        |    WHERE table_name = ?
+        |        AND starts_with(column_name, ?)
+        |        AND table_schema NOT IN ('pg_catalog', 'information_schema')
         |  ) T""".stripMargin
     ) {
   override protected def setParams(preparedStatement: PreparedStatement, items: Seq[String]): Unit = {