云数据库 GAUSSDB-LOAD DATA (for gs_loader):语法格式

时间：2024-11-02 18:45:42

云数据库 GAUSSDB

语法格式

LOAD [ DATA ]
[CHARACTERSET char_set_name]
[INFILE [directory_path] [filename ] ]
[BADFILE [directory_path] [filename ] ]
[OPTIONS(name=value)]
[{ INSERT | APPEND | REPLACE | TRUNCATE }] 
INTO TABLE table_name
[{ INSERT | APPEND | REPLACE | TRUNCATE }] 
[FIELDS  CS V]
[TERMINATED [BY] { 'string' }]
[OPTIONALLY ENCLOSED BY { 'string' }]
[TRAILING NULLCOLS]
[ WHEN { (start:end) | column_name } {= | !=} ‘string’ ]
[(
col_name [ [ POSITION ({ start:end }) ]  ["sql_string"] ] | [ FILLER [column_type [external] ] ] | [ CONSTANT "string" ] | [ SEQUENCE ( { COUNT | MAX | integer } [, incr] ) ]|[NULLIF (COL=BLANKS)]
[, ...]
)]

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