Carlos Florêncio
34 lines
1.1 KiB
Go
34 lines
1.1 KiB
Go
package dialect
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import "fmt"
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// JSONExtract returns the SQL fragment to extract a JSON value.
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//
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// SQLite: json_extract(col, '$.path')
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// Postgres: col::jsonb->>'path'
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func JSONExtract(driver, col, path string) string {
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if IsPostgres(driver) {
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return fmt.Sprintf("%s::jsonb->>'%s'", col, path)
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}
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return fmt.Sprintf("json_extract(%s, '$.%s')", col, path)
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}
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// JSONExtractIsNotNull returns the SQL fragment to check that a JSON path is not null.
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//
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// SQLite: json_extract(col, '$.path') IS NOT NULL
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// Postgres: col::jsonb->>'path' IS NOT NULL
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func JSONExtractIsNotNull(driver, col, path string) string {
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return JSONExtract(driver, col, path) + " IS NOT NULL"
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}
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// JSONSet returns the SQL fragment to set a JSON value.
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//
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// SQLite: json_set(col, '$.path', 'value')
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// Postgres: jsonb_set(col::jsonb, '{path}', '"value"')::text
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func JSONSet(driver, col, path, value string) string {
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if IsPostgres(driver) {
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return fmt.Sprintf("jsonb_set(%s::jsonb, '{%s}', '\"%s\"')::text", col, path, value)
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}
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return fmt.Sprintf("json_set(%s, '$.%s', '%s')", col, path, value)
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}
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