Reduce database size #1438
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Reduce database size #1438
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- Transform conversion as a view, and when inserting into it, actually insert into 3 tables: conversion_table, conversion_method and conversion_param, so that method and parameter names are not repeated each time. - Similarly for helmert_tranformation, insert into helmert_transformation_tabl and coordinate_operation_method. This reduces the db size from 6 344 704 bytes to 5 853 184 bytes, without significant slowdown for queries.
…ured form That is Transverse_Mercator/Gauss_Kruger, Lambert_Conformal_Conic and Hotine_Oblique_Mercator_Azimuth_Natural_Origin Decreases proj.db from 5 853 184 bytes to 5 189 632 bytes.
…SWEREF99' transformation
…few '(foo)' suffixes
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A number of fixes / improvements including 2 that makes the database shrink from 6.3 MB to 5.2 MB