Fix encoding of backslashes in arrays

Author: dylex

postgresql-async/src/main/scala/com/github/mauricio/async/db/postgresql/column/PostgreSQLColumnEncoderRegistry.scala

@@ -131,7 +131,7 @@ class PostgreSQLColumnEncoderRegistry extends ColumnEncoderRegistry {
  "NULL"
  } else {
  if (this.shouldQuote(item)) {
- "\"" + this.encode(item).replaceAllLiterally("\"", """\"""") + "\""
+ "\"" + this.encode(item).replaceAllLiterally("\\", """\\""").replaceAllLiterally("\"", """\"""") + "\""
  } else {
  this.encode(item)
  }

postgresql-async/src/test/scala/com/github/mauricio/async/db/postgresql/ArrayTypesSpec.scala

@@ -34,7 +34,7 @@ class ArrayTypesSpec extends Specification with DatabaseTestHelper {
  (smallint_column, text_column, timestamp_column)
  values (
  '{1,2,3,4}',
- '{"some,\"comma,separated,text","another line of text",NULL}',
+ '{"some,\"comma,separated,text","another line of text","fake\,backslash","real\\,backslash\\",NULL}',
  '{"2013-04-06 01:15:10.528-03","2013-04-06 01:15:08.528-03"}'
  )"""
 
@@ -52,7 +52,7 @@ class ArrayTypesSpec extends Specification with DatabaseTestHelper {
  executeDdl(handler, insert, 1)
  val result = executeQuery(handler, "select * from type_test_table").rows.get
  result(0)("smallint_column") === List(1,2,3,4)
- result(0)("text_column") === List("some,\"comma,separated,text", "another line of text", null )
+ result(0)("text_column") === List("some,\"comma,separated,text", "another line of text", "fake,backslash", "real\\,backslash\\", null )
  result(0)("timestamp_column") === List(
  TimestampWithTimezoneEncoderDecoder.decode("2013-04-06 01:15:10.528-03"),
  TimestampWithTimezoneEncoderDecoder.decode("2013-04-06 01:15:08.528-03")
@@ -68,7 +68,7 @@ class ArrayTypesSpec extends Specification with DatabaseTestHelper {
  TimestampWithTimezoneEncoderDecoder.decode("2013-04-06 01:15:08.528-03")
  )
  val numbers = List(1,2,3,4)
- val texts = List("some,\"comma,separated,text", "another line of text", null )
+ val texts = List("some,\"comma,separated,text", "another line of text", "fake,backslash", "real\\,backslash\\", null )
 
  withHandler {
  handler =>

postgresql-async/src/test/scala/com/github/mauricio/async/db/postgresql/column/DefaultColumnEncoderRegistrySpec.scala

@@ -26,7 +26,7 @@ class DefaultColumnEncoderRegistrySpec extends Specification {
 
  "correctly render an array of strings with nulls" in {
  val items = Array( "some", """text \ hoes " here to be seen""", null, "all, right" )
- registry.encode( items ) === """{"some","text \ hoes \" here to be seen",NULL,"all, right"}"""
+ registry.encode( items ) === """{"some","text \\ hoes \" here to be seen",NULL,"all, right"}"""
  }
 
  "correctly render an array of numbers" in {