wehub-resource-sync
47 lines
2.6 KiB
Go
47 lines
2.6 KiB
Go
// Copyright 2024 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package server
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import (
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"context"
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/dolthub/vitess/go/mysql"
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"github.com/dolthub/vitess/go/vt/sqlparser"
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"github.com/jackc/pgx/v5/pgproto3"
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)
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type Handler interface {
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// ComBind is called when a connection receives a request to bind a prepared statement to a set of values.
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ComBind(ctx context.Context, c *mysql.Conn, query string, parsedQuery mysql.ParsedQuery, bindVars BindVariables, formatCodes []int16) (mysql.BoundQuery, []pgproto3.FieldDescription, error)
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// ComExecuteBound is called when a connection receives a request to execute a prepared statement that has already bound to a set of values.
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ComExecuteBound(ctx context.Context, conn *mysql.Conn, query string, boundQuery mysql.BoundQuery, formatCodes []int16, callback func(*sql.Context, *Result) error) error
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// ComPrepareParsed is called when a connection receives a prepared statement query that has already been parsed.
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ComPrepareParsed(ctx context.Context, c *mysql.Conn, query string, parsed sqlparser.Statement) (mysql.ParsedQuery, []pgproto3.FieldDescription, error)
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// ComQuery is called when a connection receives a query. Note the contents of the query slice may change
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// after the first call to callback. So the DoltgresHandler should not hang on to the byte slice.
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ComQuery(ctx context.Context, c *mysql.Conn, query string, parsed sqlparser.Statement, callback func(*sql.Context, *Result) error) error
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// ComResetConnection resets the connection's session, clearing out any cached prepared statements, locks, user and
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// session variables. The currently selected database is preserved.
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ComResetConnection(c *mysql.Conn) error
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// ConnectionClosed reports that a connection has been closed.
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ConnectionClosed(c *mysql.Conn)
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// NewConnection reports that a new connection has been established.
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NewConnection(c *mysql.Conn)
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// NewContext creates a new sql.Context instance for the connection |c|. The
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// optional |query| can be specified to populate the sql.Context's query field.
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NewContext(ctx context.Context, c *mysql.Conn, query string) (*sql.Context, error)
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}
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