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[SQL] Fix docs of SQLContext.tables #4579

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[SQL] Fix docs of SQLContext.tables #4579

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12 changes: 6 additions & 6 deletions sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -775,25 +775,25 @@ class SQLContext(@transient val sparkContext: SparkContext)
DataFrame(this, catalog.lookupRelation(Seq(tableName)))

/**
* Returns a [[DataFrame]] containing names of existing tables in the given database.
* The returned DataFrame has two columns, tableName and isTemporary (a column with BooleanType
* Returns a [[DataFrame]] containing names of existing tables in the current database.
* The returned DataFrame has two columns, tableName and isTemporary (a Boolean
* indicating if a table is a temporary one or not).
*/
def tables(): DataFrame = {
createDataFrame(catalog.getTables(None)).toDataFrame("tableName", "isTemporary")
}

/**
* Returns a [[DataFrame]] containing names of existing tables in the current database.
* The returned DataFrame has two columns, tableName and isTemporary (a column with BooleanType
* Returns a [[DataFrame]] containing names of existing tables in the given database.
* The returned DataFrame has two columns, tableName and isTemporary (a Boolean
* indicating if a table is a temporary one or not).
*/
def tables(databaseName: String): DataFrame = {
createDataFrame(catalog.getTables(Some(databaseName))).toDataFrame("tableName", "isTemporary")
}

/**
* Returns an array of names of tables in the current database.
* Returns the names of tables in the current database as an array.
*/
def tableNames(): Array[String] = {
catalog.getTables(None).map {
Expand All @@ -802,7 +802,7 @@ class SQLContext(@transient val sparkContext: SparkContext)
}

/**
* Returns an array of names of tables in the given database.
* Returns the names of tables in the given database as an array.
*/
def tableNames(databaseName: String): Array[String] = {
catalog.getTables(Some(databaseName)).map {
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