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add prefix option to meta #43

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merged 1 commit into from Sep 17, 2017
Merged

add prefix option to meta #43

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5 changes: 3 additions & 2 deletions src/main/scala/org/apache/spark/sql/TiContext.scala
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Expand Up @@ -37,15 +37,16 @@ class TiContext (val session: SparkSession, addressList: List[String]) extends S
sqlContext.baseRelationToDataFrame(tiRelation)
}

def tidbMapDatabase(dbName: String): Unit =
def tidbMapDatabase(dbName: String, dbNameAsPrefix: Boolean = false): Unit =
meta.getDatabase(dbName).foreach {
db => {
meta.getTables(db).foreach {
table => {
val rel: TiDBRelation =
new TiDBRelation(new TiOptions(addressList, dbName, table.getName), meta)(sqlContext)
if (!sqlContext.sparkSession.catalog.tableExists(table.getName)) {
sqlContext.baseRelationToDataFrame(rel).createTempView(table.getName)
val tableName = if (dbNameAsPrefix) db.getName + "_" + table.getName else table.getName
sqlContext.baseRelationToDataFrame(rel).createTempView(tableName)
logInfo("Registered table " + table.getName)
}
}
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