| PREHOOK: query: DESCRIBE FUNCTION mid |
| PREHOOK: type: DESCFUNCTION |
| POSTHOOK: query: DESCRIBE FUNCTION mid |
| POSTHOOK: type: DESCFUNCTION |
| mid(str, pos[, len]) - returns the substring of str that starts at pos and is of length len ormid(bin, pos[, len]) - returns the slice of byte array that starts at pos and is of length len |
| PREHOOK: query: DESCRIBE FUNCTION EXTENDED mid |
| PREHOOK: type: DESCFUNCTION |
| POSTHOOK: query: DESCRIBE FUNCTION EXTENDED mid |
| POSTHOOK: type: DESCFUNCTION |
| mid(str, pos[, len]) - returns the substring of str that starts at pos and is of length len ormid(bin, pos[, len]) - returns the slice of byte array that starts at pos and is of length len |
| Synonyms: substr, substring |
| pos is a 1-based index. If pos<0 the starting position is determined by counting backwards from the end of str. |
| Example: |
| > SELECT mid('Facebook', 5) FROM src LIMIT 1; |
| 'book' |
| > SELECT mid('Facebook', -5) FROM src LIMIT 1; |
| 'ebook' |
| > SELECT mid('Facebook', 5, 1) FROM src LIMIT 1; |
| 'b' |
| Function class:org.apache.hadoop.hive.ql.udf.UDFSubstr |
| Function type:BUILTIN |
