Sphinx | Open Source Search Server. Data source configuration options. Data source type. Mandatory, no default value. Known types are mysql, pgsql, mssql. All other per- source options depend on source type selected by this option. Comprehensive and meticulously documented facts about taxes. Learn about the various types of taxes, the distribution of the tax burden, economic effects, hidden. Unfortunately, if you’re a Windows user you’ll have to actually purchase the font yourself: Microsoft created its own Helvetica clone, Arial, as it chose not to. Windows PowerShell Scripts for SharePoint: Info on Files, Pages,Web Parts. Names of the options used for SQL sources (ie. My. SQL, Postgre. SQL, MS SQL) start with "sql_". All source types are conditional; they might or might. Windows. odbc type is available both on Windows natively and on. Linux through Unix. ODBC library. SQL server host to connect to. Mandatory, no default value. Applies to SQL source types (mysql, pgsql, mssql) only. In the simplest case when Sphinx resides on the same host with your My. SQL. or Postgre. SQL installation, you would simply specify "localhost". Note that. My. SQL client library chooses whether to connect over TCP/IP or over UNIX. Specifically "localhost" will force it. UNIX socket (this is the default and generally recommended mode). TCP/IP usage. Refer to. SQL server IP port to connect to. Optional, default is 3. Applies to SQL source types (mysql, pgsql, mssql) only. Note that it depends on sql_host setting whether this value will actually be used. SQL user to use when connecting to sql_host. Mandatory, no default value. Applies to SQL source types (mysql, pgsql, mssql) only. SQL user password to use when connecting to sql_host. Mandatory, no default value. Applies to SQL source types (mysql, pgsql, mssql) only. SQL database (in My. SQL terms) to use after the connection and perform further queries within. Mandatory, no default value. Applies to SQL source types (mysql, pgsql, mssql) only. UNIX socket name to connect to for local SQL servers. Optional, default value is empty (use client library default settings). Applies to SQL source types (mysql, pgsql, mssql) only. On Linux, it would typically be /var/lib/mysql/mysql. On Free. BSD, it would typically be /tmp/mysql. Note that it depends on sql_host setting whether this value will actually be used. My. SQL client connection flags. Optional, default value is 0 (do not set any flags). Applies to mysql source type only. This option must contain an integer value with the sum of the flags. The value will be passed to mysql_real_connect() verbatim. The flags are enumerated in mysql_com. Flags that are especially interesting in regard to indexing, with their respective values, are as follows. CLIENT_COMPRESS = 3. CLIENT_SSL = 2. 04. SSL after handshake. CLIENT_SECURE_CONNECTION = 3. For instance, you can specify 2. SSL. or 3. 27. 68 to use new authentication only. Initially, this option was introduced. Compression on 1 Gbps. However, enabling compression on 1. Mbps links. may improve indexing time significantly (upto 2. Your mileage may vary. SSL certificate settings to use for connecting to My. SQL server. Optional, default values are empty strings (do not use SSL). Applies to mysql source type only. These directives let you set up secure SSL connection between. My. SQL. The details on creating. My. SQL server can be found in. My. SQL documentation. ODBC DSN to connect to. Mandatory, no default value. Applies to odbc source type only. ODBC DSN (Data Source Name) specifies the credentials (host, user, password, etc). ODBC data source. The format depends on specific ODBC. Driver={Oracle ODBC Driver}; Dbq=my. DBName; Uid=my. Username; Pwd=my. Password. Pre- fetch query, or pre- query. Multi- value, optional, default is empty list of queries. Applies to SQL source types (mysql, pgsql, mssql) only. Multi- value means that you can specify several pre- queries. They are executed before the main fetch query. Pre- query results are ignored. Pre- queries are useful in a lot of ways. They are used to setup encoding. SQL server options and variables, and so on. Perhaps the most frequent pre- query usage is to specify the encoding. Note that Sphinx accepts. UTF- 8 texts. Two My. SQL specific examples of setting the encoding are. SET CHARACTER_SET_RESULTS=utf. SET NAMES utf. 8. Also specific to My. SQL sources, it is useful to disable query cache. That could be achieved with. SET SESSION query_cache_type=OFF. SET NAMES utf. 8. SET SESSION query_cache_type=OFF. Main document fetch query. Mandatory, no default value. Applies to SQL source types (mysql, pgsql, mssql) only. There can be only one main query. This is the query which is used to retrieve documents from SQL server. You can specify up to 3. SPH_MAX_FIELDS from sphinx. All of the columns that are neither document ID (the first one) nor attributes will be full- text indexed. Document ID MUST be the very first field. MUST BE UNIQUE UNSIGNED POSITIVE (NON- ZERO, NON- NEGATIVE) INTEGER NUMBER. It can be either 3. Sphinx. by default it builds with 3. IDs support but - -enable- id. IDs support. SELECT id, group_id, UNIX_TIMESTAMP(date_added) AS date_added, \. FROM documents. 1. Joined/payload field fetch query. Multi- value, optional, default is empty list of queries. Applies to SQL source types (mysql, pgsql, mssql) only. It's syntax is as follows. FIELD- NAME 'from' ( 'query' | 'payload- query' \. QUERY [ ; RANGE- QUERY ]. FIELD- NAME is a joined/payload field name; QUERY is an SQL query that must fetch values to index. RANGE- QUERY is an optional SQL query that fetches a range. Added in version 2. Joined fields let you avoid JOIN and/or GROUP_CONCAT statements in the main. This can be useful when SQL- side JOIN is slow. Sphinx side, or simply to emulate My. SQL- specific. GROUP_CONCAT functionality in case your database server does not support it. The query must return exactly 2 columns: document ID, and text to append. Document IDs can be duplicate, but they must be. All the text rows fetched for a given ID will be. Rows will be concatenated. For instance, if joined field query. Joined fields are only indexed differently. There are no other differences. Starting with 2. 0. It works similar to the ranged. Section 3. 8, “Ranged queries”. The range will be queried for and fetched upfront once. Payloads let you create a special field in which, instead of. Payloads are. custom integer values attached to every keyword. They can then be used. The payload query must return exactly 3 columns: document ID; keyword. Document IDs can be duplicate, but they must be. Payloads must be unsigned integers within 2. For reference, payloads are currently internally. Currently, the only method to account for payloads is to use. SPH_RANK_PROXIMITY_BM2. On indexes with payload fields. SELECT docid, CONCAT('tag',tagid) FROM tags ORDER BY docid ASC. SELECT id, tag FROM tags WHERE id> =$start AND id< =$end ORDER BY id ASC; \. SELECT MIN(id), MAX(id) FROM tags. Range query setup. Optional, default is empty. Applies to SQL source types (mysql, pgsql, mssql) only. Setting this option enables ranged document fetch queries (see Section 3. Ranged queries”). Ranged queries are useful to avoid notorious My. ISAM table locks when indexing. They also help with other less notorious issues, such as reduced. Inno. DB. to serialize big read transactions.). The query specified in this option must fetch min and max document IDs that will be. It must return exactly two integer fields, min ID first. ID second; the field names are ignored. When ranged queries are enabled, sql_query. Note that the intervals specified by $start.$end. IDs that are. exactly equal to $start or $end from your query. The example in Section 3. Ranged queries”) illustrates that; note how it. SELECT MIN(id),MAX(id) FROM documents. Range query step. Optional, default is 1. Applies to SQL source types (mysql, pgsql, mssql) only. Only used when ranged queries are enabled. The full document IDs interval fetched by sql_query_range. For example, if min and max IDs fetched. Example. sql_range_step = 1. Kill- list query. Optional, default is empty (no query). Applies to SQL source types (mysql, pgsql, mssql) only. Introduced in version 0. This query is expected to return a number of 1- column rows, each containing. ID. The returned document IDs are stored within an index. Kill- list for a given index suppresses results from other. The intended use is to help. Let us dissect an example. Assume we have two indexes, 'main' and 'delta'. Assume that documents 2, 3, and 5 were deleted since last reindex of 'main'. Assume that a keyword 'test' occurred in all these mentioned documents. We now reindex delta and then. Query ( "test", "main delta" ). First, we need to properly handle deletions. The result set should not. Second, we also need to avoid phantom results. Unless we do something about it, document 1. It will be found in 'main' (but not 'delta'). And it will make it to the final result set unless something stops it.
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