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tonyofbyteball avatar tonyofbyteball commented on July 28, 2024

thanks, fixed

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pmiklos avatar pmiklos commented on July 28, 2024

Adding only the BINARY doesn't seem to be enough:

mysql> CREATE TABLE asset_metadata2 (
    -> asset CHAR(44) BINARY NOT NULL PRIMARY KEY,
    -> metadata_unit CHAR(44) BINARY NOT NULL,
    -> registry_address CHAR(32) NULL, -- filled only on the hub
    -> suffix VARCHAR(20) NULL, -- added only if the same name is registered by different registries for different assets, equal to registry name
    -> name VARCHAR(20) NULL,
    -> decimals TINYINT NULL,
    -> creation_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    -> UNIQUE byNameRegistry(name, registry_address),
    -> FOREIGN KEY byAsset(asset) REFERENCES assets(unit),
    -> FOREIGN KEY byMetadataUnit(metadata_unit) REFERENCES units(unit)
    -> );
ERROR 1215 (HY000): Cannot add foreign key constraint

Adding charset similarly to other tables:

mysql> CREATE TABLE asset_metadata2 (
    -> asset CHAR(44) BINARY NOT NULL PRIMARY KEY,
    -> metadata_unit CHAR(44) BINARY NOT NULL,
    -> registry_address CHAR(32) NULL, -- filled only on the hub
    -> suffix VARCHAR(20) NULL, -- added only if the same name is registered by different registries for different assets, equal to registry name
    -> name VARCHAR(20) NULL,
    -> decimals TINYINT NULL,
    -> creation_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
    -> UNIQUE byNameRegistry(name, registry_address),
    -> FOREIGN KEY byAsset(asset) REFERENCES assets(unit),
    -> FOREIGN KEY byMetadataUnit(metadata_unit) REFERENCES units(unit)
    -> ) ENGINE=InnoDB  DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
Query OK, 0 rows affected (0.40 sec)

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pmiklos avatar pmiklos commented on July 28, 2024

The mysql I use is:
Server version: 5.7.19 MySQL Community Server (GPL)

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tonyofbyteball avatar tonyofbyteball commented on July 28, 2024

added ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci too, thanks

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pmiklos avatar pmiklos commented on July 28, 2024

The asset_metadata seems ok now, but the same error happens with a newly added sent_mnemonics. The unit field needs the BINARY flag I believe to be able to use as foreign key. See the error below:

ERROR 1215 (HY000) at line 691: Cannot add foreign key constraint

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