Hello,   I am trying to assighn table names to variable in Impala editor on HUE but it does not seem to work.   set var:table_name=production_table;   select * from ${var:table_name}   I get the below error, when I execute the below set statement.   set var:table_name=production_table;   AnalysisException: Syntax error in line 1:undefined: set var:table_name=production_table ^ Encountered: : Expected: ADD, AND, ARRAY, AS, ASC, BETWEEN, BIGINT, BINARY, BLOCK_SIZE, BOOLEAN, CACHED, CASCADE, CHANGE, CHAR, COMMENT, COMPRESSION, CROSS, DATE, DATETIME, DECIMAL, DEFAULT, DESC, DIV, REAL, DROP, ELSE, ENCODING, END, FLOAT, FOLLOWING, FROM, FULL, GROUP, IGNORE, HAVING, ILIKE, IN, INNER, INTEGER, IREGEXP, IS, JOIN, LEFT, LIKE, LIMIT, LOCATION, MAP, NOT, NULL, NULLS, OFFSET, ON, OR, ORDER, PARTITION, PARTITIONED, PRECEDING, PRIMARY, PURGE, RANGE, RECOVER, REGEXP, RENAME, REPLACE, RESTRICT, RIGHT, RLIKE, ROW, ROWS, SELECT, SET, SMALLINT, SORT, STORED, STRAIGHT_JOIN, STRING, STRUCT, TABLESAMPLE, TBLPROPERTIES, THEN, TIMESTAMP, TINYINT, TO, UNCACHED, UNION, USING, VALUES, VARCHAR, WHEN, WHERE, WITH, COMMA, IDENTIFIER CAUSED BY: Exception: Syntax error Operation has no valid handle attached ... View more