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Document Formats en
Sample document format:
CMD=add^_
PK=12345321^_
url=http://www.aliyun.com/index.html^_
title=Alibaba Cloud Computing Co., Ltd. ^_
body=xxxxxx xxx^_
time=3123423421^_
multi_value_field=1234^]324^]342^_
bidwords=mp3^\price=35.8^Ptime=13867236221^]mp4^\price=32.8^Ptime=13867236221^_
^^
CMD=delete^_
PK=12345321^_
^^
CMD=update_field^_
PK=12345321^_
time=3123423421^_
^^
CMD=delete_sub^_
PK=12345321^_
SUBPK=12345321001^C12345321002^_
^^
The data file contains four commands: add, delete, update_field, and delete_sub. Each command consists of multiple rows and each row is a key-value pair.
Commands are separated by ^^\n, key-value pairs are separated by ^_\n, and multiple values are separated by ^].
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cmd: specifies the operation on a document.
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add: adds a document. If the document already exists, it will be deleted and then added.
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update_field: updates a document. You can only update the attribute field currently.
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delete: deletes a document. When you delete a document, you must specify the primary key of the document.
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delete_sub: deletes the content of a specified child table.
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- Do not use built-in characters of Havenask in the document. The following table describes the built-in characters:
Encoding | Display format in Emacs or Vi | Input method in Emacs | Input method in Vi
-- | -- | -- | --
"\x1E\n" | ^ (Line feed) | C- q C- 6 | C- v C- 6
"\x1F\n" | ^_(Line feed) | C- q C- 7 | C- v C- 7
"\x1D" | ^] | C-q C-5 | C-v C-5
"\x1C" | ^\ | C-q C-4 | C-v C-4
"\x03" | ^C | C-q C-c | C-v C-c
- Do not include the multi-value delimiter '\x1D' ('^]') in the data for real-time push notifications.
- Do not include the multi-value delimiter '\x1D' ('^]') in a field of the TEXT type.