chengkai3
6d52f24ef3
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> Co-authored-by: multica-agent <github@multica.ai>
34 lines
1.6 KiB
SQL
34 lines
1.6 KiB
SQL
-- Migration: Add dimension_item table for dimension management
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-- Date: 2026-06-28
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-- Description: Create dimension_item table to support managing voltage levels, tower types, scenarios, and arrester combinations in a tree structure
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CREATE TABLE IF NOT EXISTS dimension_item (
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id VARCHAR(32) PRIMARY KEY,
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dimension_type VARCHAR(64) NOT NULL,
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code VARCHAR(128) NOT NULL,
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name VARCHAR(255) NOT NULL,
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parent_id VARCHAR(32),
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description TEXT,
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is_enabled BOOLEAN NOT NULL DEFAULT TRUE,
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sort_order INTEGER NOT NULL DEFAULT 0,
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create_date TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT (NOW() AT TIME ZONE 'UTC'),
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create_user VARCHAR(64),
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update_date TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT (NOW() AT TIME ZONE 'UTC'),
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update_user VARCHAR(64)
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);
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CREATE INDEX idx_dimension_item_type ON dimension_item(dimension_type);
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CREATE INDEX idx_dimension_item_parent ON dimension_item(parent_id);
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CREATE INDEX idx_dimension_item_code ON dimension_item(code);
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CREATE INDEX idx_dimension_item_enabled ON dimension_item(is_enabled);
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CREATE INDEX idx_dimension_item_sort ON dimension_item(sort_order);
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CREATE INDEX idx_dimension_item_create_date ON dimension_item(create_date);
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CREATE INDEX idx_dimension_item_create_user ON dimension_item(create_user);
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CREATE INDEX idx_dimension_item_update_user ON dimension_item(update_user);
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-- Notes:
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-- - dimension_type values: 'voltage_level', 'tower_type', 'scenario', 'arrester_combination'
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-- - parent_id references dimension_item.id for tree structure (NULL for root nodes)
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-- - code should be unique within the same dimension_type
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-- - sort_order determines display order (lower values first)
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