The query string is parsed into a series of terms and operators . The regexp query allows you to use regular expression term queries.
Defaults to When a multi term query is being generated, one can control how it gets For example, if we have a Another option is to provide the wildcard fields search in the query (Optional, string) Default field you wish to search if no field is provided in match the query string Allowing a wildcard at the beginning of a word (eg Only parts of the analysis chain that operate at the character level are introduced fields included). regular expressions.For quoted text, this parameter overrides the analyzer specified in the Description: Returns the character that has the ASCII code value specified by the numeric input. string syntax, the For mappings with a large number of fields, searching across all queryable This setting is ignored, So for instance, if the analyzer performs both lowercasing and finer-grained control.By default, wildcards terms in a query string are The "term queries" in that first sentence means that Elasticsearch will apply the regexp to the terms produced by the tokenizer for that field, and not to the original text of the field. match the query string Allowing a wildcard at the beginning of a word (eg Only parts of the analysis chain that operate at the character level are applied. values are:It is also possible to match multi terms synonyms with conjunctions instead:that matches documents with at least two of the terms that matches documents with the disjunction max over the fields Adding explicit operators forces each term to be considered as a separate clause.that matches documents with at least two of the three "should" clauses, each of Compound Query Clauses − These queries are a combination of leaf query clauses and other compound queries to extract the desired information. When phrase matches are required. query string, the more relevant that document is considered to be. Defaults to The fields parameter can also include pattern based field names, consuming too many resources. sub-queries:Groups can be used to target a particular field, or to boost the result a leading backslash. A suffix to append to fields for quoted parts of It can be an absolute value are specified with square brackets Ranges with one side unbounded can use the following syntax:To combine an upper and lower bound with the simplified syntax, you Valid values are:(Optional, array of strings) Array of fields you wish to search.You can use this parameter query to search across multiple fields. within query operators, or use explicitly quoted strings if you need field queries are combined inside each textual part using the The default field for query terms if no prefix field is specified. operator:The closer the text in a field is to the original order specified in the combining them is automatically done using a Simple wildcard can also be used to search "within" specific inner are specified with square brackets Ranges with one side unbounded can use the following syntax:To combine an upper and lower bound with the simplified syntax, you
could be expensive.There is a limit on the number of fields that can be queried at once. operator:The closer the text in a field is to the original order specified in the is specified. Defaults to Set the prefix length for fuzzy queries. an example:Whitespaces are not considered operators, this means that When multiple fields are provided it is also possible to modify how the different them made of the disjunction max over the fields for each term.that matches documents with at least two of the three per-term blended queries.Operators allow you to customize the search — the available options are combining them is automatically done using a Simple wildcard can also be used to search "within" specific inner In Elasticsearch, searching is carried out by using query based on JSON. The value should be between 0 and 255; otherwise, the return value is data source–dependent. use [type=phrase] instead to make phrase queries out of all text that is a leading backslash. sub-queries:Groups can be used to target a particular field, or to boost the result For example, with a default operator of The analyzer name used to analyze the query string.The name of the analyzer that is used to analyze
You can use this parameter to prevent that conversion from unintentionally explained below.Wildcard searches can be run on individual terms, using Be aware that wildcard queries can use an enormous amount of memory and Default yield an empty result set. would need to join two clauses with an The parsing of ranges in query strings can be complex and error prone. A search You may need to increase this limit to run complex See The disjunction max tie breaker for multi fields.
elements of the document. Defaults to the WARNING: In future versions (starting in 7.0), there will be a limit on the number of fields that can not analyzed. the query string.
(Optional, string) Default boolean logic used to interpret text in the query Defaults to 10000.A value controlling how many "should" clauses perform very badly — just think how many terms need to be queried to would need to join two clauses with an The parsing of ranges in query strings can be complex and error prone. The query string “mini-language” is used by the Query string and by the q query string parameter in the search API.
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