Tools that run AlloyDB AI functions in the database.
AlloyDBToolSpec(engine).to_tool_list() returns one FunctionTool
per function, each with a native async path, ready for an agent such as
FunctionAgent. Requires AlloyDB for PostgreSQL 17 or later with the
google_ml_integration extension 1.5.7 or later and the
google_ml_integration.enable_ai_query_engine and
google_ml_integration.enable_preview_ai_functions flags on. See
https://cloud.google.com/alloydb/docs/ai/analyze-sentiment.
Parameters
Name
Description
engine
AlloyDBEngine
Connection pool to the AlloyDB database.
model_id
Optional[str]
ID of the model the AI functions use. If None, the database uses the model named by its google_ml_integration.default_llm_model flag. Defaults to None.
Methods
aanalyze_sentiment
aanalyze_sentiment(text:str)-> str
Classify the sentiment of a text as positive, negative or neutral.
Parameter
Name
Description
text
str
The text to analyze, such as a review or a message.
Exceptions
Type
Description
ValueError
If text is blank or the model gives no answer.
Returns
Type
Description
str
"positive", "negative" or "neutral".
aevaluate_condition
aevaluate_condition(condition:str)-> bool
Decide whether a natural-language condition is true or false.
Parameter
Name
Description
condition
str
A yes or no question or a statement that includes the text it is about, for example "Does the review 'The battery died in a day' complain about the battery?".
Exceptions
Type
Description
ValueError
If condition is blank or the model gives no answer.
Returns
Type
Description
bool
True if the condition holds, otherwise False.
analyze_sentiment
analyze_sentiment(text:str)-> str
Classify the sentiment of a text as positive, negative or neutral.
Parameter
Name
Description
text
str
The text to analyze, such as a review or a message.
Summarize a text, such as an article or a set of reviews.
Parameters
Name
Description
text
str
The text to summarize.
instructions
Optional[str]
Extra instructions for the summary, for example "Use three bullet points". Defaults to None.
Exceptions
Type
Description
ValueError
If text is blank or the model gives no answer.
Returns
Type
Description
str
The summary, as the model returned it. It is often wrapped in double quotes.
evaluate_condition
evaluate_condition(condition:str)-> bool
Decide whether a natural-language condition is true or false.
Parameter
Name
Description
condition
str
A yes or no question or a statement that includes the text it is about, for example "Does the review 'The battery died in a day' complain about the battery?".
Exceptions
Type
Description
ValueError
If condition is blank or the model gives no answer.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2026-10-29 UTC."],[],[]]