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Search & Query DSL

Query String & Simple Query String

Advanced vs Safe Syntax
💡 query_string, EK, "POWER, USER, COMMAND, LINE", jaisi, hai — POWERFUL, LEKIN, GALAT, SYNTAX, PAR, CRASH, ho, jaati hai. simple_query_string, EK, "FORGIVING, ASSISTANT", jaisi, hai — GALTIYON, ko, IGNORE, kar, ke, aage, badh, jaati, hai.

"query_string" query, EK, POWERFUL, SYNTAX, SUPPORT, karti, hai — LEKIN, YE, SYNTAX, ERRORS, PAR, EXCEPTION, THROW, karti, hai, ISLIYE, DIRECTLY, USER, INPUT, ko, PASS, karna, RISKY, hai.

"simple_query_string" query, USER-FACING, SEARCH, BOXES, ke, liye, SAFER, hai — YE, INVALID, SYNTAX, PAR, EXCEPTION, THROW, NAHI, karti balki, GALAT, PARTS, ko, IGNORE, kar, deti, hai.

GET /products/_search
{ "query": { "simple_query_string": { "query": "laptop +gaming", "fields": ["title", "description"] } } }
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query_string, EK, "POWER, USER, COMMAND, LINE", jaisi, hai — POWERFUL, LEKIN, GALAT, SYNTAX, PAR, CRASH, ho, jaati hai. simple_query_string, EK, "FORGIVING, ASSISTANT", jaisi, hai — GALTIYON, ko, IGNORE, kar, ke, aage, badh, jaati, hai.
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⚡ Quick Recap
  • query_string = powerful syntax, lekin invalid syntax par exception
  • simple_query_string = user-facing search boxes ke liye safe
  • User input directly pass karne ke liye simple_query_string better hai
Is page mein (2 subtopics)

"query_string" query, EK, POWERFUL, SYNTAX, SUPPORT, karti, hai (jaise, "title:laptop AND price:[100 TO 500]") — LEKIN, YE, SYNTAX, ERRORS, PAR, EXCEPTION, THROW, karti, hai, ISLIYE, DIRECTLY, USER, INPUT, ko, PASS, karna, RISKY, hai.

GET /products/_search
{ "query": { "query_string": { "query": "laptop AND (gaming OR business)" } } }

"simple_query_string" query, USER-FACING, SEARCH, BOXES, ke, liye, SAFER, hai — YE, INVALID, SYNTAX, PAR, EXCEPTION, THROW, NAHI, karti, balki, GALAT, PARTS, ko, IGNORE, kar, ke, VALID, PARTS, ko, hi, PROCESS, karti hai.

💡Tip: PRODUCTION, search, boxes, ke, liye, DIRECTLY, USER, INPUT, ke, saath, "simple_query_string" prefer, kiya, jaata hai, "query_string" ke, BAJAY — kyunki, USER, ki, TYPOS, ya, GALAT, SYNTAX, se, EK, 400, error, NAHI, aana, CHAHIYE.