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Allow RBU tables to be named "data[0-9]*_<target>" instead of strictly "data_<target>". Also update RBU so that it always processes data tables in order sorted by name.

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FossilOrigin-Name: 287aa30601506f168d355c35176a3383474444ca
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dan
2015-07-30 11:38:19 +00:00
parent dbac3ece0f
commit c1e8ae679a
5 changed files with 165 additions and 28 deletions
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12
ext/rbu/sqlite3rbu.h
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@ -97,6 +97,18 @@
**
** The order of the columns in the data_% table does not matter.
**
** Instead of a regular table, the RBU database may also contain virtual
** tables or view named using the data_<target> naming scheme.
**
** Instead of the plain data_<target> naming scheme, RBU database tables
** may also be named data<integer>_<target>, where <integer> is any sequence
** of zero or more numeric characters (0-9). This can be significant because
** tables within the RBU database are always processed in order sorted by
** name. By judicious selection of the the <integer> portion of the names
** of the RBU tables the user can therefore control the order in which they
** are processed. This can be useful, for example, to ensure that "external
** content" FTS4 tables are updated before their underlying content tables.
**
** If the target database table is a virtual table or a table that has no
** PRIMARY KEY declaration, the data_% table must also contain a column
** named "rbu_rowid". This column is mapped to the tables implicit primary