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fix.
  • Loading branch information
gatorsmile committed Jan 2, 2018
commit 68170bb45c64bb5b694bfdffd7c7f02801f9b82e
Original file line number Diff line number Diff line change
Expand Up @@ -41,12 +41,8 @@ object ParserUtils {
throw new ParseException(s"Operation not allowed: $message", ctx)
}

def duplicateClausesNotAllowed(message: String, ctx: ParserRuleContext): Nothing = {
throw new ParseException(s"Found duplicate clauses: $message", ctx)
}

def checkDuplicateClauses(
nodes: util.List[TerminalNode], clauseName: String, ctx: ParserRuleContext): Unit = {
def checkDuplicateClauses[T](
nodes: util.List[T], clauseName: String, ctx: ParserRuleContext): Unit = {
if (nodes.size() > 1) {
throw new ParseException(s"Found duplicate clauses: $clauseName", ctx)
}
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Original file line number Diff line number Diff line change
Expand Up @@ -383,11 +383,11 @@ class SparkSqlAstBuilder(conf: SQLConf) extends AstBuilder(conf) {
* {{{
* CREATE [TEMPORARY] TABLE [IF NOT EXISTS] [db_name.]table_name
* USING table_provider
* [OPTIONS table_property_list]
* create_table_clauses
* [[AS] select_statement];
*
* create_table_clauses (order insensitive):
* [OPTIONS table_property_list]
* [PARTITIONED BY (col_name, col_name, ...)]
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Isn't [OPTIONS table_property_list] one of create_table_clauses?

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forgot it.

* [CLUSTERED BY (col_name, col_name, ...)
* [SORTED BY (col_name [ASC|DESC], ...)]
Expand All @@ -408,6 +408,8 @@ class SparkSqlAstBuilder(conf: SQLConf) extends AstBuilder(conf) {
checkDuplicateClauses(ctx.OPTIONS, "OPTIONS", ctx)
checkDuplicateClauses(ctx.PARTITIONED, "PARTITIONED BY", ctx)
checkDuplicateClauses(ctx.COMMENT, "COMMENT", ctx)
checkDuplicateClauses(ctx.bucketSpec(), "CLUSTERED BY", ctx)
checkDuplicateClauses(ctx.locationSpec, "LOCATION", ctx)

val options = Option(ctx.options).map(visitPropertyKeyValues).getOrElse(Map.empty)
val provider = ctx.tableProvider.qualifiedName.getText
Expand All @@ -417,17 +419,9 @@ class SparkSqlAstBuilder(conf: SQLConf) extends AstBuilder(conf) {
.map(visitIdentifierList(_).toArray)
.getOrElse(Array.empty[String])
val properties = Option(ctx.tableProps).map(visitPropertyKeyValues).getOrElse(Map.empty)
val bucketSpec = if (ctx.bucketSpec().size > 1) {
duplicateClausesNotAllowed("CLUSTERED BY", ctx)
} else {
ctx.bucketSpec().asScala.headOption.map(visitBucketSpec)
}
val bucketSpec = ctx.bucketSpec().asScala.headOption.map(visitBucketSpec)

val location = if (ctx.locationSpec.size > 1) {
duplicateClausesNotAllowed("LOCATION", ctx)
} else {
ctx.locationSpec.asScala.headOption.map(visitLocationSpec)
}
val location = ctx.locationSpec.asScala.headOption.map(visitLocationSpec)
val storage = DataSource.buildStorageFormatFromOptions(options)

if (location.isDefined && storage.locationUri.isDefined) {
Expand Down Expand Up @@ -1131,16 +1125,16 @@ class SparkSqlAstBuilder(conf: SQLConf) extends AstBuilder(conf) {
checkDuplicateClauses(ctx.TBLPROPERTIES, "TBLPROPERTIES", ctx)
checkDuplicateClauses(ctx.PARTITIONED, "PARTITIONED BY", ctx)
checkDuplicateClauses(ctx.COMMENT, "COMMENT", ctx)
checkDuplicateClauses(ctx.bucketSpec(), "CLUSTERED BY", ctx)
checkDuplicateClauses(ctx.createFileFormat, "STORED AS/BY", ctx)
checkDuplicateClauses(ctx.rowFormat, "ROW FORMAT", ctx)
checkDuplicateClauses(ctx.locationSpec, "LOCATION", ctx)

val dataCols = Option(ctx.columns).map(visitColTypeList).getOrElse(Nil)
val partitionCols = Option(ctx.partitionColumns).map(visitColTypeList).getOrElse(Nil)
val properties = Option(ctx.tableProps).map(visitPropertyKeyValues).getOrElse(Map.empty)
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what's the meaning of ctx.tableProps now? the union of all TABLE PROPERTY list?

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The last one, if we have multiple clauses. However, we blocks this in the above checks.

val selectQuery = Option(ctx.query).map(plan)
val bucketSpec = if (ctx.bucketSpec().size > 1) {
duplicateClausesNotAllowed("CLUSTERED BY", ctx)
} else {
ctx.bucketSpec().asScala.headOption.map(visitBucketSpec)
}
val bucketSpec = ctx.bucketSpec().asScala.headOption.map(visitBucketSpec)

// Note: Hive requires partition columns to be distinct from the schema, so we need
// to include the partition columns here explicitly
Expand All @@ -1149,23 +1143,11 @@ class SparkSqlAstBuilder(conf: SQLConf) extends AstBuilder(conf) {
// Storage format
val defaultStorage = HiveSerDe.getDefaultStorage(conf)
validateRowFormatFileFormat(ctx.rowFormat.asScala, ctx.createFileFormat.asScala, ctx)
val fileStorage = if (ctx.createFileFormat.size > 1) {
duplicateClausesNotAllowed("STORED AS/BY", ctx)
} else {
ctx.createFileFormat.asScala.headOption.map(visitCreateFileFormat)
.getOrElse(CatalogStorageFormat.empty)
}
val rowStorage = if (ctx.rowFormat.size > 1) {
duplicateClausesNotAllowed("ROW FORMAT", ctx)
} else {
ctx.rowFormat.asScala.headOption.map(visitRowFormat)
.getOrElse(CatalogStorageFormat.empty)
}
val location = if (ctx.locationSpec.size > 1) {
duplicateClausesNotAllowed("LOCATION", ctx)
} else {
ctx.locationSpec.asScala.headOption.map(visitLocationSpec)
}
val fileStorage = ctx.createFileFormat.asScala.headOption.map(visitCreateFileFormat)
.getOrElse(CatalogStorageFormat.empty)
val rowStorage = ctx.rowFormat.asScala.headOption.map(visitRowFormat)
.getOrElse(CatalogStorageFormat.empty)
val location = ctx.locationSpec.asScala.headOption.map(visitLocationSpec)
// If we are creating an EXTERNAL table, then the LOCATION field is required
if (external && location.isEmpty) {
operationNotAllowed("CREATE EXTERNAL TABLE must be accompanied by LOCATION", ctx)
Expand Down