103 lines
3.2 KiB
MySQL
103 lines
3.2 KiB
MySQL
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-- DDL conservador e idempotente para preparar proformas con document-series.
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-- Compatible con MariaDB/MySQL sin depender de ALTER ... IF NOT EXISTS.
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-- Ejecutar solo en una BD de desarrollo segura.
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-- No ejecutar automaticamente en produccion.
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SET @target_schema = DATABASE();
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SET
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@ddl = (
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SELECT IF(
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EXISTS (
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SELECT 1
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FROM information_schema.columns
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WHERE
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table_schema = @target_schema
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AND table_name = 'proformas'
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AND column_name = 'document_series_id'
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), 'SELECT ''document_series_id already exists''', 'ALTER TABLE proformas ADD COLUMN document_series_id CHAR(36) NULL AFTER company_id'
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)
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);
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SET
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@ddl = (
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SELECT IF(
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EXISTS (
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SELECT 1
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FROM information_schema.columns
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WHERE
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table_schema = @target_schema
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AND table_name = 'proformas'
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AND column_name = 'proforma_number'
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), 'SELECT ''proforma_number already exists''', 'ALTER TABLE proformas ADD COLUMN proforma_number VARCHAR(64) NULL AFTER proforma_reference'
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)
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);
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SET
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@ddl = (
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SELECT IF(
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EXISTS (
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SELECT 1
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FROM information_schema.statistics
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WHERE
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table_schema = @target_schema
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AND table_name = 'proformas'
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AND index_name = 'idx_proformas_company_document_series'
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), 'SELECT ''idx_proformas_company_document_series already exists''', 'ALTER TABLE proformas ADD INDEX idx_proformas_company_document_series (company_id, document_series_id)'
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)
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);
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SET
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@ddl = (
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SELECT IF(
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EXISTS (
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SELECT 1
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FROM information_schema.statistics
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WHERE
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table_schema = @target_schema
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AND table_name = 'proformas'
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AND index_name = 'idx_proformas_company_proforma_reference'
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), 'SELECT ''idx_proformas_company_proforma_reference already exists''', 'ALTER TABLE proformas ADD INDEX idx_proformas_company_proforma_reference (company_id, proforma_reference)'
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)
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);
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PREPARE stmt FROM @ddl;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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-- Validacion minima posterior a la DDL.
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-- SELECT column_name
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-- FROM information_schema.columns
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-- WHERE table_schema = DATABASE()
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-- AND table_name = 'proformas'
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-- AND column_name IN ('document_series_id', 'proforma_number');
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--
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-- SELECT index_name, GROUP_CONCAT(column_name ORDER BY seq_in_index) AS indexed_columns
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-- FROM information_schema.statistics
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-- WHERE table_schema = DATABASE()
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-- AND table_name = 'proformas'
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-- AND index_name IN (
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-- 'idx_proformas_company_document_series',
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-- 'idx_proformas_company_proforma_reference'
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-- )
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-- GROUP BY index_name;
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