68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
#include <stdint.h>
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#include <stddef.h>
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#include <logger.h>
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#include <database.h>
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#include <migrations/0.sql.h>
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sqlite3 *global_database;
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int
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database_migrate()
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{
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uint16_t version_num = 0;
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int s, rc;
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sqlite3_stmt *stmt;
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sqlite3_prepare_v2(global_database, "SELECT version_num FROM meta LIMIT 1;", -1, &stmt, NULL);
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s = sqlite3_step(stmt);
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if (s == SQLITE_ROW)
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{
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version_num = sqlite3_column_int(stmt, 0);
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}
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else
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{
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version_num = 0;
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}
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uint16_t new_version_num = version_num;
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char* err_msg;
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sqlite3_finalize(stmt);
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switch(version_num)
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{
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case 0:
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LOG_INFO("migrating LEVEL 0\n");
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rc = sqlite3_exec(global_database, (const char *)sql_migration_0_sql, NULL, NULL, &err_msg);
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if(rc != 0)
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{
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LOG_FATAL("couldn't migrate LEVEL 0 (%s)\n", err_msg);
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break;
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}
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new_version_num = 1;
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default:
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break;
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}
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if(version_num == 0)
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{
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sqlite3_prepare_v2(global_database, "INSERT INTO meta (version_num) VALUES (?1);", -1, &stmt, NULL);
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}
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else
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{
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sqlite3_prepare_v2(global_database, "UPDATE meta SET version_num=?1;", -1, &stmt, NULL);
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}
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sqlite3_bind_int(stmt, 1, new_version_num);
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rc = sqlite3_step(stmt);
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if (rc != SQLITE_DONE)
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{
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LOG_FATAL("couldn't write new schema version");
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}
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sqlite3_finalize(stmt);
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return rc != SQLITE_DONE;
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}
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