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help / color / mirror / Atom feedFrom: jian he <[email protected]>
To: Amit Langote <[email protected]>
Cc: Tomas Vondra <[email protected]>
Cc: Alvaro Herrera <[email protected]>
Cc: Erik Rijkers <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Andrew Dunstan <[email protected]>
Cc: PostgreSQL-development <[email protected]>
Subject: Re: remaining sql/json patches
Date: Thu, 7 Mar 2024 13:16:49 +0800
Message-ID: <CACJufxHwNWRNJG26HdgrFNo4M5bd=2-36qpy_bYE-JrCrJmaHQ@mail.gmail.com> (raw)
In-Reply-To: <CACJufxFf3xQhMeUujViWK=77hCJ-NiESjTdYyZ10ysd7gckcSQ@mail.gmail.com>
References: <[email protected]>
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<[email protected]>
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<CACJufxH7Dc6Uo73_Ne+=+C_9a8-DZiExRo72gGe7u2CQV6BnFQ@mail.gmail.com>
<CACJufxFf3xQhMeUujViWK=77hCJ-NiESjTdYyZ10ysd7gckcSQ@mail.gmail.com>
two cosmetic minor issues.
+/*
+ * JsonCoercion
+ * Information about coercing a SQL/JSON value to the specified
+ * type at runtime
+ *
+ * A node of this type is created if the parser cannot find a cast expression
+ * using coerce_type() or OMIT QUOTES is specified for JSON_QUERY. If the
+ * latter, 'expr' may contain the cast expression; if not, the quote-stripped
+ * scalar string will be coerced by calling the target type's input function.
+ * See ExecEvalJsonCoercion.
+ */
+typedef struct JsonCoercion
+{
+ NodeTag type;
+
+ Oid targettype;
+ int32 targettypmod;
+ bool omit_quotes; /* OMIT QUOTES specified for JSON_QUERY? */
+ Node *cast_expr; /* coercion cast expression or NULL */
+ Oid collation;
+} JsonCoercion;
comment: 'expr' may contain the cast expression;
here "exr" should be "cast_expr"?
"a SQL/JSON" should be " an SQL/JSON"?
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Subject: Re: remaining sql/json patches
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